1;;; dired.el --- directory-browsing commands 2 3;; Copyright (C) 1985, 1986, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 4;; 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: Sebastian Kremer <sk@thp.uni-koeln.de> 7;; Maintainer: FSF 8;; Keywords: files 9 10;; This file is part of GNU Emacs. 11 12;; GNU Emacs is free software; you can redistribute it and/or modify 13;; it under the terms of the GNU General Public License as published by 14;; the Free Software Foundation; either version 2, or (at your option) 15;; any later version. 16 17;; GNU Emacs is distributed in the hope that it will be useful, 18;; but WITHOUT ANY WARRANTY; without even the implied warranty of 19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20;; GNU General Public License for more details. 21 22;; You should have received a copy of the GNU General Public License 23;; along with GNU Emacs; see the file COPYING. If not, write to the 24;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 25;; Boston, MA 02110-1301, USA. 26 27;;; Commentary: 28 29;; This is a major mode for directory browsing and editing. It is 30;; documented in the Emacs manual. 31 32;; Rewritten in 1990/1991 to add tree features, file marking and 33;; sorting by Sebastian Kremer <sk@thp.uni-koeln.de>. 34;; Finished up by rms in 1992. 35 36;;; Code: 37 38;;; Customizable variables 39 40(defgroup dired nil 41 "Directory editing." 42 :link '(custom-manual "(emacs)Dired") 43 :group 'files) 44 45(defgroup dired-mark nil 46 "Handling marks in Dired." 47 :prefix "dired-" 48 :group 'dired) 49 50 51;;;###autoload 52(defcustom dired-listing-switches "-al" 53 "*Switches passed to `ls' for Dired. MUST contain the `l' option. 54May contain all other options that don't contradict `-l'; 55may contain even `F', `b', `i' and `s'. See also the variable 56`dired-ls-F-marks-symlinks' concerning the `F' switch. 57On systems such as MS-DOS and MS-Windows, which use `ls' emulation in Lisp, 58some of the `ls' switches are not supported; see the doc string of 59`insert-directory' in `ls-lisp.el' for more details." 60 :type 'string 61 :group 'dired) 62 63(defvar dired-subdir-switches nil 64 "If non-nil, switches passed to `ls' for inserting subdirectories. 65If nil, `dired-listing-switches' is used.") 66 67; Don't use absolute file names as /bin should be in any PATH and people 68; may prefer /usr/local/gnu/bin or whatever. However, chown is 69; usually not in PATH. 70 71;;;###autoload 72(defvar dired-chown-program 73 (if (memq system-type '(hpux dgux usg-unix-v irix linux gnu/linux cygwin)) 74 "chown" 75 (if (file-exists-p "/usr/sbin/chown") 76 "/usr/sbin/chown" 77 "/etc/chown")) 78 "Name of chown command (usually `chown' or `/etc/chown').") 79 80(defvar dired-use-ls-dired (not (not (string-match "gnu" system-configuration))) 81 "Non-nil means Dired should use `ls --dired'.") 82 83(defvar dired-chmod-program "chmod" 84 "Name of chmod command (usually `chmod').") 85 86(defvar dired-touch-program "touch" 87 "Name of touch command (usually `touch').") 88 89;;;###autoload 90(defcustom dired-ls-F-marks-symlinks nil 91 "*Informs Dired about how `ls -lF' marks symbolic links. 92Set this to t if `ls' (or whatever program is specified by 93`insert-directory-program') with `-lF' marks the symbolic link 94itself with a trailing @ (usually the case under Ultrix). 95 96Example: if `ln -s foo bar; ls -F bar' gives `bar -> foo', set it to 97nil (the default), if it gives `bar@ -> foo', set it to t. 98 99Dired checks if there is really a @ appended. Thus, if you have a 100marking `ls' program on one host and a non-marking on another host, and 101don't care about symbolic links which really end in a @, you can 102always set this variable to t." 103 :type 'boolean 104 :group 'dired-mark) 105 106;;;###autoload 107(defcustom dired-trivial-filenames "^\\.\\.?$\\|^#" 108 "*Regexp of files to skip when finding first file of a directory. 109A value of nil means move to the subdir line. 110A value of t means move to first file." 111 :type '(choice (const :tag "Move to subdir" nil) 112 (const :tag "Move to first" t) 113 regexp) 114 :group 'dired) 115 116;;;###autoload 117(defcustom dired-keep-marker-rename t 118 ;; Use t as default so that moved files "take their markers with them". 119 "*Controls marking of renamed files. 120If t, files keep their previous marks when they are renamed. 121If a character, renamed files (whether previously marked or not) 122are afterward marked with that character." 123 :type '(choice (const :tag "Keep" t) 124 (character :tag "Mark")) 125 :group 'dired-mark) 126 127;;;###autoload 128(defcustom dired-keep-marker-copy ?C 129 "*Controls marking of copied files. 130If t, copied files are marked if and as the corresponding original files were. 131If a character, copied files are unconditionally marked with that character." 132 :type '(choice (const :tag "Keep" t) 133 (character :tag "Mark")) 134 :group 'dired-mark) 135 136;;;###autoload 137(defcustom dired-keep-marker-hardlink ?H 138 "*Controls marking of newly made hard links. 139If t, they are marked if and as the files linked to were marked. 140If a character, new links are unconditionally marked with that character." 141 :type '(choice (const :tag "Keep" t) 142 (character :tag "Mark")) 143 :group 'dired-mark) 144 145;;;###autoload 146(defcustom dired-keep-marker-symlink ?Y 147 "*Controls marking of newly made symbolic links. 148If t, they are marked if and as the files linked to were marked. 149If a character, new links are unconditionally marked with that character." 150 :type '(choice (const :tag "Keep" t) 151 (character :tag "Mark")) 152 :group 'dired-mark) 153 154;;;###autoload 155(defcustom dired-dwim-target nil 156 "*If non-nil, Dired tries to guess a default target directory. 157This means: if there is a dired buffer displayed in the next window, 158use its current subdir, instead of the current subdir of this dired buffer. 159 160The target is used in the prompt for file copy, rename etc." 161 :type 'boolean 162 :group 'dired) 163 164;;;###autoload 165(defcustom dired-copy-preserve-time t 166 "*If non-nil, Dired preserves the last-modified time in a file copy. 167\(This works on only some systems.)" 168 :type 'boolean 169 :group 'dired) 170 171; These variables were deleted and the replacements are on files.el. 172; We leave aliases behind for back-compatibility. 173(defvaralias 'dired-free-space-program 'directory-free-space-program) 174(defvaralias 'dired-free-space-args 'directory-free-space-args) 175 176;;; Hook variables 177 178(defcustom dired-load-hook nil 179 "Run after loading Dired. 180You can customize key bindings or load extensions with this." 181 :group 'dired 182 :type 'hook) 183 184(defcustom dired-mode-hook nil 185 "Run at the very end of `dired-mode'." 186 :group 'dired 187 :type 'hook) 188 189(defcustom dired-before-readin-hook nil 190 "This hook is run before a dired buffer is read in (created or reverted)." 191 :group 'dired 192 :type 'hook) 193 194(defcustom dired-after-readin-hook nil 195 "Hook run after each time a file or directory is read by Dired. 196After each listing of a file or directory, this hook is run 197with the buffer narrowed to the listing." 198 :group 'dired 199 :type 'hook) 200;; Note this can't simply be run inside function `dired-ls' as the hook 201;; functions probably depend on the dired-subdir-alist to be OK. 202 203(defcustom dired-dnd-protocol-alist 204 '(("^file:///" . dired-dnd-handle-local-file) 205 ("^file://" . dired-dnd-handle-file) 206 ("^file:" . dired-dnd-handle-local-file)) 207 "The functions to call when a drop in `dired-mode' is made. 208See `dnd-protocol-alist' for more information. When nil, behave 209as in other buffers. Changing this option is effective only for 210new dired buffers." 211 :type '(choice (repeat (cons (regexp) (function))) 212 (const :tag "Behave as in other buffers" nil)) 213 :version "22.1" 214 :group 'dired) 215 216;; Internal variables 217 218(defvar dired-marker-char ?* ; the answer is 42 219 ;; so that you can write things like 220 ;; (let ((dired-marker-char ?X)) 221 ;; ;; great code using X markers ... 222 ;; ) 223 ;; For example, commands operating on two sets of files, A and B. 224 ;; Or marking files with digits 0-9. This could implicate 225 ;; concentric sets or an order for the marked files. 226 ;; The code depends on dynamic scoping on the marker char. 227 "In Dired, the current mark character. 228This is what the do-commands look for, and what the mark-commands store.") 229 230(defvar dired-del-marker ?D 231 "Character used to flag files for deletion.") 232 233(defvar dired-shrink-to-fit t 234;; I see no reason ever to make this nil -- rms. 235;; (> baud-rate search-slow-speed) 236 "Non-nil means Dired shrinks the display buffer to fit the marked files.") 237 238(defvar dired-flagging-regexp nil);; Last regexp used to flag files. 239 240(defvar dired-file-version-alist) 241 242;;;###autoload 243(defvar dired-directory nil 244 "The directory name or wildcard spec that this dired directory lists. 245Local to each dired buffer. May be a list, in which case the car is the 246directory name and the cdr is the list of files to mention. 247The directory name must be absolute, but need not be fully expanded.") 248 249(defvar dired-actual-switches nil 250 "The value of `dired-listing-switches' used to make this buffer's text.") 251 252(defvar dired-re-inode-size "[0-9 \t]*" 253 "Regexp for optional initial inode and file size as made by `ls -i -s'.") 254 255;; These regexps must be tested at beginning-of-line, but are also 256;; used to search for next matches, so neither omitting "^" nor 257;; replacing "^" by "\n" (to make it slightly faster) will work. 258 259(defvar dired-re-mark "^[^ \n]") 260;; "Regexp matching a marked line. 261;; Important: the match ends just after the marker." 262(defvar dired-re-maybe-mark "^. ") 263;; The [^:] part after "d" and "l" is to avoid confusion with the 264;; DOS/Windows-style drive letters in directory names, like in "d:/foo". 265(defvar dired-re-dir (concat dired-re-maybe-mark dired-re-inode-size "d[^:]")) 266(defvar dired-re-sym (concat dired-re-maybe-mark dired-re-inode-size "l[^:]")) 267(defvar dired-re-exe;; match ls permission string of an executable file 268 (mapconcat (function 269 (lambda (x) 270 (concat dired-re-maybe-mark dired-re-inode-size x))) 271 '("-[-r][-w][xs][-r][-w].[-r][-w]." 272 "-[-r][-w].[-r][-w][xs][-r][-w]." 273 "-[-r][-w].[-r][-w].[-r][-w][xst]") 274 "\\|")) 275(defvar dired-re-perms "[-bcdlps][-r][-w].[-r][-w].[-r][-w].") 276(defvar dired-re-dot "^.* \\.\\.?/?$") 277 278;; The subdirectory names in the next two lists are expanded. 279(defvar dired-subdir-alist nil 280 "Association list of subdirectories and their buffer positions. 281Each subdirectory has an element: (DIRNAME . STARTMARKER). 282The order of elements is the reverse of the order in the buffer. 283In simple cases, this list contains one element.") 284 285(defvar dired-switches-alist nil 286 "Keeps track of which switches to use for inserted subdirectories. 287This is an alist of the form (SUBDIR . SWITCHES).") 288(make-variable-buffer-local 'dired-switches-alist) 289 290(defvaralias 'dired-move-to-filename-regexp 291 'directory-listing-before-filename-regexp) 292 293(defvar dired-subdir-regexp "^. \\([^\n\r]+\\)\\(:\\)[\n\r]" 294 "Regexp matching a maybe hidden subdirectory line in `ls -lR' output. 295Subexpression 1 is the subdirectory proper, no trailing colon. 296The match starts at the beginning of the line and ends after the end 297of the line (\\n or \\r). 298Subexpression 2 must end right before the \\n or \\r.") 299 300(defgroup dired-faces nil 301 "Faces used by Dired." 302 :group 'dired 303 :group 'faces) 304 305(defface dired-header 306 '((t (:inherit font-lock-type-face))) 307 "Face used for directory headers." 308 :group 'dired-faces 309 :version "22.1") 310(defvar dired-header-face 'dired-header 311 "Face name used for directory headers.") 312 313(defface dired-mark 314 '((t (:inherit font-lock-constant-face))) 315 "Face used for dired marks." 316 :group 'dired-faces 317 :version "22.1") 318(defvar dired-mark-face 'dired-mark 319 "Face name used for dired marks.") 320 321(defface dired-marked 322 '((t (:inherit font-lock-warning-face))) 323 "Face used for marked files." 324 :group 'dired-faces 325 :version "22.1") 326(defvar dired-marked-face 'dired-marked 327 "Face name used for marked files.") 328 329(defface dired-flagged 330 '((t (:inherit font-lock-warning-face))) 331 "Face used for flagged files." 332 :group 'dired-faces 333 :version "22.1") 334(defvar dired-flagged-face 'dired-flagged 335 "Face name used for flagged files.") 336 337(defface dired-warning 338 '((t (:inherit font-lock-comment-face))) 339 "Face used to highlight a part of a buffer that needs user attention." 340 :group 'dired-faces 341 :version "22.1") 342(defvar dired-warning-face 'dired-warning 343 "Face name used for a part of a buffer that needs user attention.") 344 345(defface dired-directory 346 '((t (:inherit font-lock-function-name-face))) 347 "Face used for subdirectories." 348 :group 'dired-faces 349 :version "22.1") 350(defvar dired-directory-face 'dired-directory 351 "Face name used for subdirectories.") 352 353(defface dired-symlink 354 '((t (:inherit font-lock-keyword-face))) 355 "Face used for symbolic links." 356 :group 'dired-faces 357 :version "22.1") 358(defvar dired-symlink-face 'dired-symlink 359 "Face name used for symbolic links.") 360 361(defface dired-ignored 362 '((t (:inherit shadow))) 363 "Face used for files suffixed with `completion-ignored-extensions'." 364 :group 'dired-faces 365 :version "22.1") 366(defvar dired-ignored-face 'dired-ignored 367 "Face name used for files suffixed with `completion-ignored-extensions'.") 368 369(defvar dired-font-lock-keywords 370 (list 371 ;; 372 ;; Directory headers. 373 (list dired-subdir-regexp '(1 dired-header-face)) 374 ;; 375 ;; Dired marks. 376 (list dired-re-mark '(0 dired-mark-face)) 377 ;; 378 ;; We make heavy use of MATCH-ANCHORED, since the regexps don't identify the 379 ;; file name itself. We search for Dired defined regexps, and then use the 380 ;; Dired defined function `dired-move-to-filename' before searching for the 381 ;; simple regexp ".+". It is that regexp which matches the file name. 382 ;; 383 ;; Marked files. 384 (list (concat "^[" (char-to-string dired-marker-char) "]") 385 '(".+" (dired-move-to-filename) nil (0 dired-marked-face))) 386 ;; 387 ;; Flagged files. 388 (list (concat "^[" (char-to-string dired-del-marker) "]") 389 '(".+" (dired-move-to-filename) nil (0 dired-flagged-face))) 390 ;; People who are paranoid about security would consider this more 391 ;; important than other things such as whether it is a directory. 392 ;; But we don't want to encourage paranoia, so our default 393 ;; should be what's most useful for non-paranoids. -- rms. 394;;; ;; 395;;; ;; Files that are group or world writable. 396;;; (list (concat dired-re-maybe-mark dired-re-inode-size 397;;; "\\([-d]\\(....w....\\|.......w.\\)\\)") 398;;; '(1 dired-warning-face) 399;;; '(".+" (dired-move-to-filename) nil (0 dired-warning-face))) 400 ;; However, we don't need to highlight the file name, only the 401 ;; permissions, to win generally. -- fx. 402 ;; Fixme: we could also put text properties on the permission 403 ;; fields with keymaps to frob the permissions, somewhat a la XEmacs. 404 (list (concat dired-re-maybe-mark dired-re-inode-size 405 "[-d]....\\(w\\)....") ; group writable 406 '(1 dired-warning-face)) 407 (list (concat dired-re-maybe-mark dired-re-inode-size 408 "[-d].......\\(w\\).") ; world writable 409 '(1 dired-warning-face)) 410 ;; 411 ;; Subdirectories. 412 (list dired-re-dir 413 '(".+" (dired-move-to-filename) nil (0 dired-directory-face))) 414 ;; 415 ;; Symbolic links. 416 (list dired-re-sym 417 '(".+" (dired-move-to-filename) nil (0 dired-symlink-face))) 418 ;; 419 ;; Files suffixed with `completion-ignored-extensions'. 420 '(eval . 421 ;; It is quicker to first find just an extension, then go back to the 422 ;; start of that file name. So we do this complex MATCH-ANCHORED form. 423 (list (concat "\\(" (regexp-opt completion-ignored-extensions) "\\|#\\)$") 424 '(".+" (dired-move-to-filename) nil (0 dired-ignored-face)))) 425 ;; 426 ;; Files suffixed with `completion-ignored-extensions' 427 ;; plus a character put in by -F. 428 '(eval . 429 (list (concat "\\(" (regexp-opt completion-ignored-extensions) 430 "\\|#\\)[*=|]$") 431 '(".+" (progn 432 (end-of-line) 433 ;; If the last character is not part of the filename, 434 ;; move back to the start of the filename 435 ;; so it can be fontified. 436 ;; Otherwise, leave point at the end of the line; 437 ;; that way, nothing is fontified. 438 (unless (get-text-property (1- (point)) 'mouse-face) 439 (dired-move-to-filename))) 440 nil (0 dired-ignored-face)))) 441) 442 "Additional expressions to highlight in Dired mode.") 443 444(defvar dnd-protocol-alist) 445 446;;; Macros must be defined before they are used, for the byte compiler. 447 448(defmacro dired-mark-if (predicate msg) 449 "Mark all files for which PREDICATE evals to non-nil. 450PREDICATE is evaluated on each line, with point at beginning of line. 451MSG is a noun phrase for the type of files being marked. 452It should end with a noun that can be pluralized by adding `s'. 453Return value is the number of files marked, or nil if none were marked." 454 `(let (buffer-read-only count) 455 (save-excursion 456 (setq count 0) 457 (if ,msg (message "Marking %ss..." ,msg)) 458 (goto-char (point-min)) 459 (while (not (eobp)) 460 (if ,predicate 461 (progn 462 (delete-char 1) 463 (insert dired-marker-char) 464 (setq count (1+ count)))) 465 (forward-line 1)) 466 (if ,msg (message "%s %s%s %s%s." 467 count 468 ,msg 469 (dired-plural-s count) 470 (if (eq dired-marker-char ?\040) "un" "") 471 (if (eq dired-marker-char dired-del-marker) 472 "flagged" "marked")))) 473 (and (> count 0) count))) 474 475(defmacro dired-map-over-marks (body arg &optional show-progress 476 distinguish-one-marked) 477 "Eval BODY with point on each marked line. Return a list of BODY's results. 478If no marked file could be found, execute BODY on the current line. 479 If ARG is an integer, use the next ARG (or previous -ARG, if ARG<0) 480 files instead of the marked files. 481 In that case point is dragged along. This is so that commands on 482 the next ARG (instead of the marked) files can be chained easily. 483 If ARG is otherwise non-nil, use current file instead. 484If optional third arg SHOW-PROGRESS evaluates to non-nil, 485 redisplay the dired buffer after each file is processed. 486No guarantee is made about the position on the marked line. 487 BODY must ensure this itself if it depends on this. 488Search starts at the beginning of the buffer, thus the car of the list 489 corresponds to the line nearest to the buffer's bottom. This 490 is also true for (positive and negative) integer values of ARG. 491BODY should not be too long as it is expanded four times. 492 493If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file, 494return (t FILENAME) instead of (FILENAME)." 495 ;; 496 ;;Warning: BODY must not add new lines before point - this may cause an 497 ;;endless loop. 498 ;;This warning should not apply any longer, sk 2-Sep-1991 14:10. 499 `(prog1 500 (let (buffer-read-only case-fold-search found results) 501 (if ,arg 502 (if (integerp ,arg) 503 (progn ;; no save-excursion, want to move point. 504 (dired-repeat-over-lines 505 ,arg 506 (function (lambda () 507 (if ,show-progress (sit-for 0)) 508 (setq results (cons ,body results))))) 509 (if (< ,arg 0) 510 (nreverse results) 511 results)) 512 ;; non-nil, non-integer ARG means use current file: 513 (list ,body)) 514 (let ((regexp (dired-marker-regexp)) next-position) 515 (save-excursion 516 (goto-char (point-min)) 517 ;; remember position of next marked file before BODY 518 ;; can insert lines before the just found file, 519 ;; confusing us by finding the same marked file again 520 ;; and again and... 521 (setq next-position (and (re-search-forward regexp nil t) 522 (point-marker)) 523 found (not (null next-position))) 524 (while next-position 525 (goto-char next-position) 526 (if ,show-progress (sit-for 0)) 527 (setq results (cons ,body results)) 528 ;; move after last match 529 (goto-char next-position) 530 (forward-line 1) 531 (set-marker next-position nil) 532 (setq next-position (and (re-search-forward regexp nil t) 533 (point-marker))))) 534 (if (and ,distinguish-one-marked (= (length results) 1)) 535 (setq results (cons t results))) 536 (if found 537 results 538 (list ,body))))) 539 ;; save-excursion loses, again 540 (dired-move-to-filename))) 541 542(defun dired-get-marked-files (&optional localp arg filter distinguish-one-marked) 543 "Return the marked files' names as list of strings. 544The list is in the same order as the buffer, that is, the car is the 545 first marked file. 546Values returned are normally absolute file names. 547Optional arg LOCALP as in `dired-get-filename'. 548Optional second argument ARG specifies files near point 549 instead of marked files. If ARG is an integer, use the next ARG files. 550 If ARG is otherwise non-nil, use file. Usually ARG comes from 551 the command's prefix arg. 552Optional third argument FILTER, if non-nil, is a function to select 553 some of the files--those for which (funcall FILTER FILENAME) is non-nil. 554 555If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file, 556return (t FILENAME) instead of (FILENAME). 557Don't use that together with FILTER." 558 (let* ((all-of-them 559 (save-excursion 560 (dired-map-over-marks 561 (dired-get-filename localp) 562 arg nil distinguish-one-marked))) 563 result) 564 (if (not filter) 565 (if (and distinguish-one-marked (eq (car all-of-them) t)) 566 all-of-them 567 (nreverse all-of-them)) 568 (dolist (file all-of-them) 569 (if (funcall filter file) 570 (push file result))) 571 result))) 572 573;; The dired command 574 575(defun dired-read-dir-and-switches (str) 576 ;; For use in interactive. 577 (reverse (list 578 (if current-prefix-arg 579 (read-string "Dired listing switches: " 580 dired-listing-switches)) 581 ;; If a dialog is about to be used, call read-directory-name so 582 ;; the dialog code knows we want directories. Some dialogs can 583 ;; only select directories or files when popped up, not both. 584 (if (next-read-file-uses-dialog-p) 585 (read-directory-name (format "Dired %s(directory): " str) 586 nil default-directory nil) 587 (read-file-name (format "Dired %s(directory): " str) 588 nil default-directory nil))))) 589 590;;;###autoload (define-key ctl-x-map "d" 'dired) 591;;;###autoload 592(defun dired (dirname &optional switches) 593 "\"Edit\" directory DIRNAME--delete, rename, print, etc. some files in it. 594Optional second argument SWITCHES specifies the `ls' options used. 595\(Interactively, use a prefix argument to be able to specify SWITCHES.) 596Dired displays a list of files in DIRNAME (which may also have 597shell wildcards appended to select certain files). If DIRNAME is a cons, 598its first element is taken as the directory name and the rest as an explicit 599list of files to make directory entries for. 600\\<dired-mode-map>\ 601You can move around in it with the usual commands. 602You can flag files for deletion with \\[dired-flag-file-deletion] and then 603delete them by typing \\[dired-do-flagged-delete]. 604Type \\[describe-mode] after entering Dired for more info. 605 606If DIRNAME is already in a dired buffer, that buffer is used without refresh." 607 ;; Cannot use (interactive "D") because of wildcards. 608 (interactive (dired-read-dir-and-switches "")) 609 (switch-to-buffer (dired-noselect dirname switches))) 610 611;;;###autoload (define-key ctl-x-4-map "d" 'dired-other-window) 612;;;###autoload 613(defun dired-other-window (dirname &optional switches) 614 "\"Edit\" directory DIRNAME. Like `dired' but selects in another window." 615 (interactive (dired-read-dir-and-switches "in other window ")) 616 (switch-to-buffer-other-window (dired-noselect dirname switches))) 617 618;;;###autoload (define-key ctl-x-5-map "d" 'dired-other-frame) 619;;;###autoload 620(defun dired-other-frame (dirname &optional switches) 621 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame." 622 (interactive (dired-read-dir-and-switches "in other frame ")) 623 (switch-to-buffer-other-frame (dired-noselect dirname switches))) 624 625;;;###autoload 626(defun dired-noselect (dir-or-list &optional switches) 627 "Like `dired' but returns the dired buffer as value, does not select it." 628 (or dir-or-list (setq dir-or-list default-directory)) 629 ;; This loses the distinction between "/foo/*/" and "/foo/*" that 630 ;; some shells make: 631 (let (dirname initially-was-dirname) 632 (if (consp dir-or-list) 633 (setq dirname (car dir-or-list)) 634 (setq dirname dir-or-list)) 635 (setq initially-was-dirname 636 (string= (file-name-as-directory dirname) dirname)) 637 (setq dirname (abbreviate-file-name 638 (expand-file-name (directory-file-name dirname)))) 639 (if find-file-visit-truename 640 (setq dirname (file-truename dirname))) 641 ;; If the argument was syntactically a directory name not a file name, 642 ;; or if it happens to name a file that is a directory, 643 ;; convert it syntactically to a directory name. 644 ;; The reason for checking initially-was-dirname 645 ;; and not just file-directory-p 646 ;; is that file-directory-p is slow over ftp. 647 (if (or initially-was-dirname (file-directory-p dirname)) 648 (setq dirname (file-name-as-directory dirname))) 649 (if (consp dir-or-list) 650 (setq dir-or-list (cons dirname (cdr dir-or-list))) 651 (setq dir-or-list dirname)) 652 (dired-internal-noselect dir-or-list switches))) 653 654;; The following is an internal dired function. It returns non-nil if 655;; the directory visited by the current dired buffer has changed on 656;; disk. DIRNAME should be the directory name of that directory. 657(defun dired-directory-changed-p (dirname) 658 (not (let ((attributes (file-attributes dirname)) 659 (modtime (visited-file-modtime))) 660 (or (eq modtime 0) 661 (not (eq (car attributes) t)) 662 (equal (nth 5 attributes) modtime))))) 663 664(defun dired-buffer-stale-p (&optional noconfirm) 665 "Return non-nil if current dired buffer needs updating. 666If NOCONFIRM is non-nil, then this function always returns nil 667for a remote directory. This feature is used by Auto Revert Mode." 668 (let ((dirname 669 (if (consp dired-directory) (car dired-directory) dired-directory))) 670 (and (stringp dirname) 671 (not (when noconfirm (file-remote-p dirname))) 672 (file-readable-p dirname) 673 (dired-directory-changed-p dirname)))) 674 675;; Separate function from dired-noselect for the sake of dired-vms.el. 676(defun dired-internal-noselect (dir-or-list &optional switches mode) 677 ;; If there is an existing dired buffer for DIRNAME, just leave 678 ;; buffer as it is (don't even call dired-revert). 679 ;; This saves time especially for deep trees or with ange-ftp. 680 ;; The user can type `g' easily, and it is more consistent with find-file. 681 ;; But if SWITCHES are given they are probably different from the 682 ;; buffer's old value, so call dired-sort-other, which does 683 ;; revert the buffer. 684 ;; A pity we can't possibly do "Directory has changed - refresh? " 685 ;; like find-file does. 686 ;; Optional argument MODE is passed to dired-find-buffer-nocreate, 687 ;; see there. 688 (let* (dirname 689 buffer 690 ;; note that buffer already is in dired-mode, if found 691 new-buffer-p 692 (old-buf (current-buffer))) 693 (if (consp dir-or-list) 694 (setq dirname (car dir-or-list)) 695 (setq dirname dir-or-list)) 696 ;; Look for an existing buffer. 697 (setq buffer (dired-find-buffer-nocreate dirname mode) 698 new-buffer-p (null buffer)) 699 (or buffer 700 (let ((default-major-mode 'fundamental-mode)) 701 ;; We don't want default-major-mode to run hooks and set auto-fill 702 ;; or whatever, now that dired-mode does not 703 ;; kill-all-local-variables any longer. 704 (setq buffer (create-file-buffer (directory-file-name dirname))))) 705 (set-buffer buffer) 706 (if (not new-buffer-p) ; existing buffer ... 707 (cond (switches ; ... but new switches 708 ;; file list may have changed 709 (setq dired-directory dir-or-list) 710 ;; this calls dired-revert 711 (dired-sort-other switches)) 712 ;; If directory has changed on disk, offer to revert. 713 ((when (dired-directory-changed-p dirname) 714 (message "%s" 715 (substitute-command-keys 716 "Directory has changed on disk; type \\[revert-buffer] to update Dired"))))) 717 ;; Else a new buffer 718 (setq default-directory 719 ;; We can do this unconditionally 720 ;; because dired-noselect ensures that the name 721 ;; is passed in directory name syntax 722 ;; if it was the name of a directory at all. 723 (file-name-directory dirname)) 724 (or switches (setq switches dired-listing-switches)) 725 (if mode (funcall mode) 726 (dired-mode dir-or-list switches)) 727 ;; default-directory and dired-actual-switches are set now 728 ;; (buffer-local), so we can call dired-readin: 729 (let ((failed t)) 730 (unwind-protect 731 (progn (dired-readin) 732 (setq failed nil)) 733 ;; dired-readin can fail if parent directories are inaccessible. 734 ;; Don't leave an empty buffer around in that case. 735 (if failed (kill-buffer buffer)))) 736 (goto-char (point-min)) 737 (dired-initial-position dirname)) 738 (set-buffer old-buf) 739 buffer)) 740 741(defvar dired-buffers nil 742 ;; Enlarged by dired-advertise 743 ;; Queried by function dired-buffers-for-dir. When this detects a 744 ;; killed buffer, it is removed from this list. 745 "Alist of expanded directories and their associated dired buffers.") 746 747(defun dired-find-buffer-nocreate (dirname &optional mode) 748 ;; This differs from dired-buffers-for-dir in that it does not consider 749 ;; subdirs of default-directory and searches for the first match only. 750 ;; Also, the major mode must be MODE. 751 (setq dirname (expand-file-name dirname)) 752 (let (found (blist dired-buffers)) ; was (buffer-list) 753 (or mode (setq mode 'dired-mode)) 754 (while blist 755 (if (null (buffer-name (cdr (car blist)))) 756 (setq blist (cdr blist)) 757 (save-excursion 758 (set-buffer (cdr (car blist))) 759 (if (and (eq major-mode mode) 760 dired-directory ;; nil during find-alternate-file 761 (equal dirname 762 (expand-file-name 763 (if (consp dired-directory) 764 (car dired-directory) 765 dired-directory)))) 766 (setq found (cdr (car blist)) 767 blist nil) 768 (setq blist (cdr blist)))))) 769 found)) 770 771 772;; Read in a new dired buffer 773 774(defun dired-readin () 775 "Read in a new dired buffer. 776Differs from `dired-insert-subdir' in that it accepts 777wildcards, erases the buffer, and builds the subdir-alist anew 778\(including making it buffer-local and clearing it first)." 779 780 ;; default-directory and dired-actual-switches must be buffer-local 781 ;; and initialized by now. 782 (let (dirname) 783 (if (consp dired-directory) 784 (setq dirname (car dired-directory)) 785 (setq dirname dired-directory)) 786 (setq dirname (expand-file-name dirname)) 787 (save-excursion 788 ;; This hook which may want to modify dired-actual-switches 789 ;; based on dired-directory, e.g. with ange-ftp to a SysV host 790 ;; where ls won't understand -Al switches. 791 (run-hooks 'dired-before-readin-hook) 792 (if (consp buffer-undo-list) 793 (setq buffer-undo-list nil)) 794 (make-local-variable 'file-name-coding-system) 795 (setq file-name-coding-system 796 (or coding-system-for-read file-name-coding-system)) 797 (let (buffer-read-only 798 ;; Don't make undo entries for readin. 799 (buffer-undo-list t)) 800 (widen) 801 (erase-buffer) 802 (dired-readin-insert)) 803 (goto-char (point-min)) 804 ;; Must first make alist buffer local and set it to nil because 805 ;; dired-build-subdir-alist will call dired-clear-alist first 806 (set (make-local-variable 'dired-subdir-alist) nil) 807 (dired-build-subdir-alist) 808 (let ((attributes (file-attributes dirname))) 809 (if (eq (car attributes) t) 810 (set-visited-file-modtime (nth 5 attributes)))) 811 (set-buffer-modified-p nil) 812 ;; No need to narrow since the whole buffer contains just 813 ;; dired-readin's output, nothing else. The hook can 814 ;; successfully use dired functions (e.g. dired-get-filename) 815 ;; as the subdir-alist has been built in dired-readin. 816 (run-hooks 'dired-after-readin-hook)))) 817 818;; Subroutines of dired-readin 819 820(defun dired-readin-insert () 821 ;; Insert listing for the specified dir (and maybe file list) 822 ;; already in dired-directory, assuming a clean buffer. 823 (let (dir file-list) 824 (if (consp dired-directory) 825 (setq dir (car dired-directory) 826 file-list (cdr dired-directory)) 827 (setq dir dired-directory 828 file-list nil)) 829 (setq dir (expand-file-name dir)) 830 (if (and (equal "" (file-name-nondirectory dir)) 831 (not file-list)) 832 ;; If we are reading a whole single directory... 833 (dired-insert-directory dir dired-actual-switches nil nil t) 834 (if (not (file-readable-p 835 (directory-file-name (file-name-directory dir)))) 836 (error "Directory %s inaccessible or nonexistent" dir) 837 ;; Else treat it as a wildcard spec 838 ;; unless we have an explicit list of files. 839 (dired-insert-directory dir dired-actual-switches 840 file-list (not file-list) t))))) 841 842(defun dired-align-file (beg end) 843 "Align the fields of a file to the ones of surrounding lines. 844BEG..END is the line where the file info is located." 845 ;; Some versions of ls try to adjust the size of each field so as to just 846 ;; hold the largest element ("largest" in the current invocation, of 847 ;; course). So when a single line is output, the size of each field is 848 ;; just big enough for that one output. Thus when dired refreshes one 849 ;; line, the alignment if this line w.r.t the rest is messed up because 850 ;; the fields of that one line will generally be smaller. 851 ;; 852 ;; To work around this problem, we here add spaces to try and 853 ;; re-align the fields as needed. Since this is purely aesthetic, 854 ;; it is of utmost importance that it doesn't mess up anything like 855 ;; `dired-move-to-filename'. To this end, we limit ourselves to 856 ;; adding spaces only, and to only add them at places where there 857 ;; was already at least one space. This way, as long as 858 ;; `directory-listing-before-filename-regexp' always matches spaces 859 ;; with "*" or "+", we know we haven't made anything worse. There 860 ;; is one spot where the exact number of spaces is important, which 861 ;; is just before the actual filename, so we refrain from adding 862 ;; spaces there (and within the filename as well, of course). 863 (save-excursion 864 (let (file file-col other other-col) 865 ;; Check the there is indeed a file, and that there is anoter adjacent 866 ;; file with which to align, and that additional spaces are needed to 867 ;; align the filenames. 868 (when (and (setq file (progn (goto-char beg) 869 (dired-move-to-filename nil end))) 870 (setq file-col (current-column)) 871 (setq other 872 (or (and (goto-char beg) 873 (zerop (forward-line -1)) 874 (dired-move-to-filename)) 875 (and (goto-char beg) 876 (zerop (forward-line 1)) 877 (dired-move-to-filename)))) 878 (setq other-col (current-column)) 879 (/= file other) 880 ;; Make sure there is some work left to do. 881 (> other-col file-col)) 882 ;; If we've only looked at the line above, check to see if the line 883 ;; below exists as well and if so, align with the shorter one. 884 (when (and (< other file) 885 (goto-char beg) 886 (zerop (forward-line 1)) 887 (dired-move-to-filename)) 888 (let ((alt-col (current-column))) 889 (when (< alt-col other-col) 890 (setq other-col alt-col) 891 (setq other (point))))) 892 ;; Keep positions uptodate when we insert stuff. 893 (if (> other file) (setq other (copy-marker other))) 894 (setq file (copy-marker file)) 895 ;; Main loop. 896 (goto-char beg) 897 (skip-chars-forward " ") ;Skip to the first field. 898 (while (and (> other-col file-col) 899 ;; Don't touch anything just before (and after) the 900 ;; beginning of the filename. 901 (> file (point))) 902 ;; We're now just in front of a field, with a space behind us. 903 (let* ((curcol (current-column)) 904 ;; Nums are right-aligned. 905 (num-align (looking-at "[0-9]")) 906 ;; Let's look at the other line, in the same column: we 907 ;; should be either near the end of the previous field, or 908 ;; in the space between that field and the next. 909 ;; [ Of course, it's also possible that we're already within 910 ;; the next field or even past it, but that's unlikely since 911 ;; other-col > file-col. ] 912 ;; Let's find the distance to the alignment-point (either 913 ;; the beginning or the end of the next field, depending on 914 ;; whether this field is left or right aligned). 915 (align-pt-offset 916 (save-excursion 917 (goto-char other) 918 (move-to-column curcol) 919 (when (looking-at 920 (concat 921 (if (eq (char-before) ?\s) " *" "[^ ]* *") 922 (if num-align "[0-9][^ ]*"))) 923 (- (match-end 0) (match-beginning 0))))) 924 ;; Now, the number of spaces to insert is align-pt-offset 925 ;; minus the distance to the equivalent point on the 926 ;; current line. 927 (spaces 928 (if (not num-align) 929 align-pt-offset 930 (and align-pt-offset 931 (save-excursion 932 (skip-chars-forward "^ ") 933 (- align-pt-offset (- (current-column) curcol))))))) 934 (when (and spaces (> spaces 0)) 935 (setq file-col (+ spaces file-col)) 936 (if (> file-col other-col) 937 (setq spaces (- spaces (- file-col other-col)))) 938 (insert-char ?\s spaces) 939 ;; Let's just make really sure we did not mess up. 940 (unless (save-excursion 941 (eq (dired-move-to-filename) (marker-position file))) 942 ;; Damn! We messed up: let's revert the change. 943 (delete-char (- spaces))))) 944 ;; Now skip to next field. 945 (skip-chars-forward "^ ") (skip-chars-forward " ")) 946 (set-marker file nil))))) 947 948 949(defun dired-insert-directory (dir switches &optional file-list wildcard hdr) 950 "Insert a directory listing of DIR, Dired style. 951Use SWITCHES to make the listings. 952If FILE-LIST is non-nil, list only those files. 953Otherwise, if WILDCARD is non-nil, expand wildcards; 954 in that case, DIR should be a file name that uses wildcards. 955In other cases, DIR should be a directory name or a directory filename. 956If HDR is non-nil, insert a header line with the directory name." 957 (let ((opoint (point)) 958 (process-environment (copy-sequence process-environment)) 959 end) 960 (if (or dired-use-ls-dired (file-remote-p dir)) 961 (setq switches (concat "--dired " switches))) 962 ;; We used to specify the C locale here, to force English month names; 963 ;; but this should not be necessary any more, 964 ;; with the new value of `directory-listing-before-filename-regexp'. 965 (if file-list 966 (dolist (f file-list) 967 (let ((beg (point))) 968 (insert-directory f switches nil nil) 969 ;; Re-align fields, if necessary. 970 (dired-align-file beg (point)))) 971 (insert-directory dir switches wildcard (not wildcard))) 972 ;; Quote certain characters, unless ls quoted them for us. 973 (if (not (string-match "b" dired-actual-switches)) 974 (save-excursion 975 (setq end (point-marker)) 976 (goto-char opoint) 977 (while (search-forward "\\" end t) 978 (replace-match (apply #'propertize 979 "\\\\" 980 (text-properties-at (match-beginning 0))) 981 nil t)) 982 (goto-char opoint) 983 (while (search-forward "\^m" end t) 984 (replace-match (apply #'propertize 985 "\\015" 986 (text-properties-at (match-beginning 0))) 987 nil t)) 988 (set-marker end nil))) 989 (dired-insert-set-properties opoint (point)) 990 ;; If we used --dired and it worked, the lines are already indented. 991 ;; Otherwise, indent them. 992 (unless (save-excursion 993 (goto-char opoint) 994 (looking-at " ")) 995 (let ((indent-tabs-mode nil)) 996 (indent-rigidly opoint (point) 2))) 997 ;; Insert text at the beginning to standardize things. 998 (save-excursion 999 (goto-char opoint) 1000 (if (and (or hdr wildcard) (not (looking-at "^ /.*:$"))) 1001 ;; Note that dired-build-subdir-alist will replace the name 1002 ;; by its expansion, so it does not matter whether what we insert 1003 ;; here is fully expanded, but it should be absolute. 1004 (insert " " (directory-file-name (file-name-directory dir)) ":\n")) 1005 (when wildcard 1006 ;; Insert "wildcard" line where "total" line would be for a full dir. 1007 (insert " wildcard " (file-name-nondirectory dir) "\n"))))) 1008 1009(defun dired-insert-set-properties (beg end) 1010 "Make the file names highlight when the mouse is on them." 1011 (save-excursion 1012 (goto-char beg) 1013 (while (< (point) end) 1014 (condition-case nil 1015 (if (dired-move-to-filename) 1016 (add-text-properties 1017 (point) 1018 (save-excursion 1019 (dired-move-to-end-of-filename) 1020 (point)) 1021 '(mouse-face highlight 1022 help-echo "mouse-2: visit this file in other window"))) 1023 (error nil)) 1024 (forward-line 1)))) 1025 1026;; Reverting a dired buffer 1027 1028(defun dired-revert (&optional arg noconfirm) 1029 "Reread the dired buffer. 1030Must also be called after `dired-actual-switches' have changed. 1031Should not fail even on completely garbaged buffers. 1032Preserves old cursor, marks/flags, hidden-p." 1033 (widen) ; just in case user narrowed 1034 (let ((modflag (buffer-modified-p)) 1035 (opoint (point)) 1036 (ofile (dired-get-filename nil t)) 1037 (mark-alist nil) ; save marked files 1038 (hidden-subdirs (dired-remember-hidden)) 1039 (old-subdir-alist (cdr (reverse dired-subdir-alist))) ; except pwd 1040 (case-fold-search nil) ; we check for upper case ls flags 1041 buffer-read-only) 1042 (goto-char (point-min)) 1043 (setq mark-alist;; only after dired-remember-hidden since this unhides: 1044 (dired-remember-marks (point-min) (point-max))) 1045 ;; treat top level dir extra (it may contain wildcards) 1046 (dired-uncache 1047 (if (consp dired-directory) (car dired-directory) dired-directory)) 1048 ;; Run dired-after-readin-hook just once, below. 1049 (let ((dired-after-readin-hook nil)) 1050 (dired-readin) 1051 (dired-insert-old-subdirs old-subdir-alist)) 1052 (dired-mark-remembered mark-alist) ; mark files that were marked 1053 ;; ... run the hook for the whole buffer, and only after markers 1054 ;; have been reinserted (else omitting in dired-x would omit marked files) 1055 (run-hooks 'dired-after-readin-hook) ; no need to narrow 1056 (or (and ofile (dired-goto-file ofile)) ; move cursor to where it 1057 (goto-char opoint)) ; was before 1058 (dired-move-to-filename) 1059 (save-excursion ; hide subdirs that were hidden 1060 (dolist (dir hidden-subdirs) 1061 (if (dired-goto-subdir dir) 1062 (dired-hide-subdir 1)))) 1063 (unless modflag (restore-buffer-modified-p nil))) 1064 ;; outside of the let scope 1065;;; Might as well not override the user if the user changed this. 1066;;; (setq buffer-read-only t) 1067 ) 1068 1069;; Subroutines of dired-revert 1070;; Some of these are also used when inserting subdirs. 1071 1072(defun dired-remember-marks (beg end) 1073 "Return alist of files and their marks, from BEG to END." 1074 (if selective-display ; must unhide to make this work. 1075 (let (buffer-read-only) 1076 (subst-char-in-region beg end ?\r ?\n))) 1077 (let (fil chr alist) 1078 (save-excursion 1079 (goto-char beg) 1080 (while (re-search-forward dired-re-mark end t) 1081 (if (setq fil (dired-get-filename nil t)) 1082 (setq chr (preceding-char) 1083 alist (cons (cons fil chr) alist))))) 1084 alist)) 1085 1086(defun dired-mark-remembered (alist) 1087 "Mark all files remembered in ALIST. 1088Each element of ALIST looks like (FILE . MARKERCHAR)." 1089 (let (elt fil chr) 1090 (while alist 1091 (setq elt (car alist) 1092 alist (cdr alist) 1093 fil (car elt) 1094 chr (cdr elt)) 1095 (if (dired-goto-file fil) 1096 (save-excursion 1097 (beginning-of-line) 1098 (delete-char 1) 1099 (insert chr)))))) 1100 1101(defun dired-remember-hidden () 1102 "Return a list of names of subdirs currently hidden." 1103 (let ((l dired-subdir-alist) dir pos result) 1104 (while l 1105 (setq dir (car (car l)) 1106 pos (cdr (car l)) 1107 l (cdr l)) 1108 (goto-char pos) 1109 (skip-chars-forward "^\r\n") 1110 (if (eq (following-char) ?\r) 1111 (setq result (cons dir result)))) 1112 result)) 1113 1114(defun dired-insert-old-subdirs (old-subdir-alist) 1115 "Try to insert all subdirs that were displayed before. 1116Do so according to the former subdir alist OLD-SUBDIR-ALIST." 1117 (or (string-match "R" dired-actual-switches) 1118 (let (elt dir) 1119 (while old-subdir-alist 1120 (setq elt (car old-subdir-alist) 1121 old-subdir-alist (cdr old-subdir-alist) 1122 dir (car elt)) 1123 (condition-case () 1124 (progn 1125 (dired-uncache dir) 1126 (dired-insert-subdir dir)) 1127 (error nil)))))) 1128 1129(defun dired-uncache (dir) 1130 "Remove directory DIR from any directory cache." 1131 (let ((handler (find-file-name-handler dir 'dired-uncache))) 1132 (if handler 1133 (funcall handler 'dired-uncache dir)))) 1134 1135;; dired mode key bindings and initialization 1136 1137(defvar dired-mode-map 1138 ;; This looks ugly when substitute-command-keys uses C-d instead d: 1139 ;; (define-key dired-mode-map "\C-d" 'dired-flag-file-deletion) 1140 (let ((map (make-keymap))) 1141 (suppress-keymap map) 1142 (define-key map [mouse-2] 'dired-mouse-find-file-other-window) 1143 (define-key map [follow-link] 'mouse-face) 1144 ;; Commands to mark or flag certain categories of files 1145 (define-key map "#" 'dired-flag-auto-save-files) 1146 (define-key map "." 'dired-clean-directory) 1147 (define-key map "~" 'dired-flag-backup-files) 1148 (define-key map "&" 'dired-flag-garbage-files) 1149 ;; Upper case keys (except !) for operating on the marked files 1150 (define-key map "A" 'dired-do-search) 1151 (define-key map "C" 'dired-do-copy) 1152 (define-key map "B" 'dired-do-byte-compile) 1153 (define-key map "D" 'dired-do-delete) 1154 (define-key map "G" 'dired-do-chgrp) 1155 (define-key map "H" 'dired-do-hardlink) 1156 (define-key map "L" 'dired-do-load) 1157 (define-key map "M" 'dired-do-chmod) 1158 (define-key map "O" 'dired-do-chown) 1159 (define-key map "P" 'dired-do-print) 1160 (define-key map "Q" 'dired-do-query-replace-regexp) 1161 (define-key map "R" 'dired-do-rename) 1162 (define-key map "S" 'dired-do-symlink) 1163 (define-key map "T" 'dired-do-touch) 1164 (define-key map "X" 'dired-do-shell-command) 1165 (define-key map "Z" 'dired-do-compress) 1166 (define-key map "!" 'dired-do-shell-command) 1167 ;; Comparison commands 1168 (define-key map "=" 'dired-diff) 1169 (define-key map "\M-=" 'dired-backup-diff) 1170 ;; Tree Dired commands 1171 (define-key map "\M-\C-?" 'dired-unmark-all-files) 1172 (define-key map "\M-\C-d" 'dired-tree-down) 1173 (define-key map "\M-\C-u" 'dired-tree-up) 1174 (define-key map "\M-\C-n" 'dired-next-subdir) 1175 (define-key map "\M-\C-p" 'dired-prev-subdir) 1176 ;; move to marked files 1177 (define-key map "\M-{" 'dired-prev-marked-file) 1178 (define-key map "\M-}" 'dired-next-marked-file) 1179 ;; Make all regexp commands share a `%' prefix: 1180 ;; We used to get to the submap via a symbol dired-regexp-prefix, 1181 ;; but that seems to serve little purpose, and copy-keymap 1182 ;; does a better job without it. 1183 (define-key map "%" nil) 1184 (define-key map "%u" 'dired-upcase) 1185 (define-key map "%l" 'dired-downcase) 1186 (define-key map "%d" 'dired-flag-files-regexp) 1187 (define-key map "%g" 'dired-mark-files-containing-regexp) 1188 (define-key map "%m" 'dired-mark-files-regexp) 1189 (define-key map "%r" 'dired-do-rename-regexp) 1190 (define-key map "%C" 'dired-do-copy-regexp) 1191 (define-key map "%H" 'dired-do-hardlink-regexp) 1192 (define-key map "%R" 'dired-do-rename-regexp) 1193 (define-key map "%S" 'dired-do-symlink-regexp) 1194 ;; Commands for marking and unmarking. 1195 (define-key map "*" nil) 1196 (define-key map "**" 'dired-mark-executables) 1197 (define-key map "*/" 'dired-mark-directories) 1198 (define-key map "*@" 'dired-mark-symlinks) 1199 (define-key map "*%" 'dired-mark-files-regexp) 1200 (define-key map "*c" 'dired-change-marks) 1201 (define-key map "*s" 'dired-mark-subdir-files) 1202 (define-key map "*m" 'dired-mark) 1203 (define-key map "*u" 'dired-unmark) 1204 (define-key map "*?" 'dired-unmark-all-files) 1205 (define-key map "*!" 'dired-unmark-all-marks) 1206 (define-key map "U" 'dired-unmark-all-marks) 1207 (define-key map "*\177" 'dired-unmark-backward) 1208 (define-key map "*\C-n" 'dired-next-marked-file) 1209 (define-key map "*\C-p" 'dired-prev-marked-file) 1210 (define-key map "*t" 'dired-toggle-marks) 1211 ;; Lower keys for commands not operating on all the marked files 1212 (define-key map "a" 'dired-find-alternate-file) 1213 (define-key map "d" 'dired-flag-file-deletion) 1214 (define-key map "e" 'dired-find-file) 1215 (define-key map "f" 'dired-find-file) 1216 (define-key map "\C-m" 'dired-advertised-find-file) 1217 (define-key map "g" 'revert-buffer) 1218 (define-key map "h" 'describe-mode) 1219 (define-key map "i" 'dired-maybe-insert-subdir) 1220 (define-key map "j" 'dired-goto-file) 1221 (define-key map "k" 'dired-do-kill-lines) 1222 (define-key map "l" 'dired-do-redisplay) 1223 (define-key map "m" 'dired-mark) 1224 (define-key map "n" 'dired-next-line) 1225 (define-key map "o" 'dired-find-file-other-window) 1226 (define-key map "\C-o" 'dired-display-file) 1227 (define-key map "p" 'dired-previous-line) 1228 (define-key map "q" 'quit-window) 1229 (define-key map "s" 'dired-sort-toggle-or-edit) 1230 (define-key map "t" 'dired-toggle-marks) 1231 (define-key map "u" 'dired-unmark) 1232 (define-key map "v" 'dired-view-file) 1233 (define-key map "w" 'dired-copy-filename-as-kill) 1234 (define-key map "x" 'dired-do-flagged-delete) 1235 (define-key map "y" 'dired-show-file-type) 1236 (define-key map "+" 'dired-create-directory) 1237 ;; moving 1238 (define-key map "<" 'dired-prev-dirline) 1239 (define-key map ">" 'dired-next-dirline) 1240 (define-key map "^" 'dired-up-directory) 1241 (define-key map " " 'dired-next-line) 1242 (define-key map "\C-n" 'dired-next-line) 1243 (define-key map "\C-p" 'dired-previous-line) 1244 (define-key map [down] 'dired-next-line) 1245 (define-key map [up] 'dired-previous-line) 1246 ;; hiding 1247 (define-key map "$" 'dired-hide-subdir) 1248 (define-key map "\M-$" 'dired-hide-all) 1249 ;; misc 1250 (define-key map "?" 'dired-summary) 1251 (define-key map "\177" 'dired-unmark-backward) 1252 (define-key map [remap undo] 'dired-undo) 1253 (define-key map [remap advertised-undo] 'dired-undo) 1254 ;; thumbnail manipulation (image-dired) 1255 (define-key map "\C-td" 'image-dired-display-thumbs) 1256 (define-key map "\C-tt" 'image-dired-tag-files) 1257 (define-key map "\C-tr" 'image-dired-delete-tag) 1258 (define-key map "\C-tj" 'image-dired-jump-thumbnail-buffer) 1259 (define-key map "\C-ti" 'image-dired-dired-display-image) 1260 (define-key map "\C-tx" 'image-dired-dired-display-external) 1261 (define-key map "\C-ta" 'image-dired-display-thumbs-append) 1262 (define-key map "\C-t." 'image-dired-display-thumb) 1263 (define-key map "\C-tc" 'image-dired-dired-comment-files) 1264 (define-key map "\C-tf" 'image-dired-mark-tagged-files) 1265 (define-key map "\C-t\C-t" 'image-dired-dired-insert-marked-thumbs) 1266 (define-key map "\C-te" 'image-dired-dired-edit-comment-and-tags) 1267 1268 ;; Make menu bar items. 1269 1270 ;; No need to fo this, now that top-level items are fewer. 1271 ;;;; 1272 ;; Get rid of the Edit menu bar item to save space. 1273 ;(define-key map [menu-bar edit] 'undefined) 1274 1275 (define-key map [menu-bar subdir] 1276 (cons "Subdir" (make-sparse-keymap "Subdir"))) 1277 1278 (define-key map [menu-bar subdir hide-all] 1279 '(menu-item "Hide All" dired-hide-all 1280 :help "Hide all subdirectories, leave only header lines")) 1281 (define-key map [menu-bar subdir hide-subdir] 1282 '(menu-item "Hide/UnHide Subdir" dired-hide-subdir 1283 :help "Hide or unhide current directory listing")) 1284 (define-key map [menu-bar subdir tree-down] 1285 '(menu-item "Tree Down" dired-tree-down 1286 :help "Go to first subdirectory header down the tree")) 1287 (define-key map [menu-bar subdir tree-up] 1288 '(menu-item "Tree Up" dired-tree-up 1289 :help "Go to first subdirectory header up the tree")) 1290 (define-key map [menu-bar subdir up] 1291 '(menu-item "Up Directory" dired-up-directory 1292 :help "Edit the parent directory")) 1293 (define-key map [menu-bar subdir prev-subdir] 1294 '(menu-item "Prev Subdir" dired-prev-subdir 1295 :help "Go to previous subdirectory header line")) 1296 (define-key map [menu-bar subdir next-subdir] 1297 '(menu-item "Next Subdir" dired-next-subdir 1298 :help "Go to next subdirectory header line")) 1299 (define-key map [menu-bar subdir prev-dirline] 1300 '(menu-item "Prev Dirline" dired-prev-dirline 1301 :help "Move to next directory-file line")) 1302 (define-key map [menu-bar subdir next-dirline] 1303 '(menu-item "Next Dirline" dired-next-dirline 1304 :help "Move to previous directory-file line")) 1305 (define-key map [menu-bar subdir insert] 1306 '(menu-item "Insert This Subdir" dired-maybe-insert-subdir 1307 :help "Insert contents of subdirectory")) 1308 1309 (define-key map [menu-bar immediate] 1310 (cons "Immediate" (make-sparse-keymap "Immediate"))) 1311 1312 (define-key map 1313 [menu-bar immediate image-dired-dired-display-external] 1314 '(menu-item "Display Image Externally" image-dired-dired-display-external 1315 :help "Display image in external viewer")) 1316 (define-key map 1317 [menu-bar immediate image-dired-dired-display-image] 1318 '(menu-item "Display Image" image-dired-dired-display-image 1319 :help "Display sized image in a separate window")) 1320 1321 (define-key map [menu-bar immediate dashes-4] 1322 '("--")) 1323 1324 (define-key map [menu-bar immediate revert-buffer] 1325 '(menu-item "Refresh" revert-buffer 1326 :help "Update contents of shown directories")) 1327 1328 (define-key map [menu-bar immediate dashes] 1329 '("--")) 1330 1331 (define-key map [menu-bar immediate compare-directories] 1332 '(menu-item "Compare Directories..." dired-compare-directories 1333 :help "Mark files with different attributes in two dired buffers")) 1334 (define-key map [menu-bar immediate backup-diff] 1335 '(menu-item "Compare with Backup" dired-backup-diff 1336 :help "Diff file at cursor with its latest backup")) 1337 (define-key map [menu-bar immediate diff] 1338 '(menu-item "Diff..." dired-diff 1339 :help "Compare file at cursor with another file")) 1340 (define-key map [menu-bar immediate view] 1341 '(menu-item "View This File" dired-view-file 1342 :help "Examine file at cursor in read-only mode")) 1343 (define-key map [menu-bar immediate display] 1344 '(menu-item "Display in Other Window" dired-display-file 1345 :help "Display file at cursor in other window")) 1346 (define-key map [menu-bar immediate find-file-other-window] 1347 '(menu-item "Find in Other Window" dired-find-file-other-window 1348 :help "Edit file at cursor in other window")) 1349 (define-key map [menu-bar immediate find-file] 1350 '(menu-item "Find This File" dired-find-file 1351 :help "Edit file at cursor")) 1352 (define-key map [menu-bar immediate create-directory] 1353 '(menu-item "Create Directory..." dired-create-directory)) 1354 (define-key map [menu-bar immediate wdired-mode] 1355 '(menu-item "Edit File Names" wdired-change-to-wdired-mode)) 1356 1357 (define-key map [menu-bar regexp] 1358 (cons "Regexp" (make-sparse-keymap "Regexp"))) 1359 1360 (define-key map 1361 [menu-bar regexp image-dired-mark-tagged-files] 1362 '(menu-item "Mark From Image Tag..." image-dired-mark-tagged-files 1363 :help "Mark files whose image tags matches regexp")) 1364 1365 (define-key map [menu-bar regexp dashes-1] 1366 '("--")) 1367 1368 (define-key map [menu-bar regexp downcase] 1369 '(menu-item "Downcase" dired-downcase 1370 ;; When running on plain MS-DOS, there's only one 1371 ;; letter-case for file names. 1372 :enable (or (not (fboundp 'msdos-long-file-names)) 1373 (msdos-long-file-names)) 1374 :help "Rename marked files to lower-case name")) 1375 (define-key map [menu-bar regexp upcase] 1376 '(menu-item "Upcase" dired-upcase 1377 :enable (or (not (fboundp 'msdos-long-file-names)) 1378 (msdos-long-file-names)) 1379 :help "Rename marked files to upper-case name")) 1380 (define-key map [menu-bar regexp hardlink] 1381 '(menu-item "Hardlink..." dired-do-hardlink-regexp 1382 :help "Make hard links for files matching regexp")) 1383 (define-key map [menu-bar regexp symlink] 1384 '(menu-item "Symlink..." dired-do-symlink-regexp 1385 :visible (fboundp 'make-symbolic-link) 1386 :help "Make symbolic links for files matching regexp")) 1387 (define-key map [menu-bar regexp rename] 1388 '(menu-item "Rename..." dired-do-rename-regexp 1389 :help "Rename marked files matching regexp")) 1390 (define-key map [menu-bar regexp copy] 1391 '(menu-item "Copy..." dired-do-copy-regexp 1392 :help "Copy marked files matching regexp")) 1393 (define-key map [menu-bar regexp flag] 1394 '(menu-item "Flag..." dired-flag-files-regexp 1395 :help "Flag files matching regexp for deletion")) 1396 (define-key map [menu-bar regexp mark] 1397 '(menu-item "Mark..." dired-mark-files-regexp 1398 :help "Mark files matching regexp for future operations")) 1399 (define-key map [menu-bar regexp mark-cont] 1400 '(menu-item "Mark Containing..." dired-mark-files-containing-regexp 1401 :help "Mark files whose contents matches regexp")) 1402 1403 (define-key map [menu-bar mark] 1404 (cons "Mark" (make-sparse-keymap "Mark"))) 1405 1406 (define-key map [menu-bar mark prev] 1407 '(menu-item "Previous Marked" dired-prev-marked-file 1408 :help "Move to previous marked file")) 1409 (define-key map [menu-bar mark next] 1410 '(menu-item "Next Marked" dired-next-marked-file 1411 :help "Move to next marked file")) 1412 (define-key map [menu-bar mark marks] 1413 '(menu-item "Change Marks..." dired-change-marks 1414 :help "Replace marker with another character")) 1415 (define-key map [menu-bar mark unmark-all] 1416 '(menu-item "Unmark All" dired-unmark-all-marks)) 1417 (define-key map [menu-bar mark symlinks] 1418 '(menu-item "Mark Symlinks" dired-mark-symlinks 1419 :visible (fboundp 'make-symbolic-link) 1420 :help "Mark all symbolic links")) 1421 (define-key map [menu-bar mark directories] 1422 '(menu-item "Mark Directories" dired-mark-directories 1423 :help "Mark all directories except `.' and `..'")) 1424 (define-key map [menu-bar mark directory] 1425 '(menu-item "Mark Old Backups" dired-clean-directory 1426 :help "Flag old numbered backups for deletion")) 1427 (define-key map [menu-bar mark executables] 1428 '(menu-item "Mark Executables" dired-mark-executables 1429 :help "Mark all executable files")) 1430 (define-key map [menu-bar mark garbage-files] 1431 '(menu-item "Flag Garbage Files" dired-flag-garbage-files 1432 :help "Flag unneeded files for deletion")) 1433 (define-key map [menu-bar mark backup-files] 1434 '(menu-item "Flag Backup Files" dired-flag-backup-files 1435 :help "Flag all backup files for deletion")) 1436 (define-key map [menu-bar mark auto-save-files] 1437 '(menu-item "Flag Auto-save Files" dired-flag-auto-save-files 1438 :help "Flag auto-save files for deletion")) 1439 (define-key map [menu-bar mark deletion] 1440 '(menu-item "Flag" dired-flag-file-deletion 1441 :help "Flag current line's file for deletion")) 1442 (define-key map [menu-bar mark unmark] 1443 '(menu-item "Unmark" dired-unmark 1444 :help "Unmark or unflag current line's file")) 1445 (define-key map [menu-bar mark mark] 1446 '(menu-item "Mark" dired-mark 1447 :help "Mark current line's file for future operations")) 1448 (define-key map [menu-bar mark toggle-marks] 1449 '(menu-item "Toggle Marks" dired-toggle-marks 1450 :help "Mark unmarked files, unmark marked ones")) 1451 1452 (define-key map [menu-bar operate] 1453 (cons "Operate" (make-sparse-keymap "Operate"))) 1454 1455 (define-key map [menu-bar operate dashes-2] 1456 '("--")) 1457 1458 (define-key map 1459 [menu-bar operate image-dired-delete-tag] 1460 '(menu-item "Delete Image Tag..." image-dired-delete-tag 1461 :help "Delete image tag from current or marked files")) 1462 (define-key map 1463 [menu-bar operate image-dired-tag-files] 1464 '(menu-item "Add Image Tags..." image-dired-tag-files 1465 :help "Add image tags to current or marked files")) 1466 (define-key map 1467 [menu-bar operate image-dired-dired-comment-files] 1468 '(menu-item "Add Image Comment..." image-dired-dired-comment-files 1469 :help "Add image comment to current or marked files")) 1470 (define-key map 1471 [menu-bar operate image-dired-display-thumbs] 1472 '(menu-item "Display Image-Dired" image-dired-display-thumbs 1473 :help "Display image-dired for current or marked image files")) 1474 1475 (define-key map [menu-bar operate dashes-3] 1476 '("--")) 1477 1478 (define-key map [menu-bar operate query-replace] 1479 '(menu-item "Query Replace in Files..." dired-do-query-replace-regexp 1480 :help "Replace regexp in marked files")) 1481 (define-key map [menu-bar operate search] 1482 '(menu-item "Search Files..." dired-do-search 1483 :help "Search marked files for regexp")) 1484 (define-key map [menu-bar operate chown] 1485 '(menu-item "Change Owner..." dired-do-chown 1486 :visible (not (memq system-type '(ms-dos windows-nt))) 1487 :help "Change the owner of marked files")) 1488 (define-key map [menu-bar operate chgrp] 1489 '(menu-item "Change Group..." dired-do-chgrp 1490 :visible (not (memq system-type '(ms-dos windows-nt))) 1491 :help "Change the group of marked files")) 1492 (define-key map [menu-bar operate chmod] 1493 '(menu-item "Change Mode..." dired-do-chmod 1494 :help "Change mode (attributes) of marked files")) 1495 (define-key map [menu-bar operate touch] 1496 '(menu-item "Change Timestamp..." dired-do-touch 1497 :help "Change timestamp of marked files")) 1498 (define-key map [menu-bar operate load] 1499 '(menu-item "Load" dired-do-load 1500 :help "Load marked Emacs Lisp files")) 1501 (define-key map [menu-bar operate compile] 1502 '(menu-item "Byte-compile" dired-do-byte-compile 1503 :help "Byte-compile marked Emacs Lisp files")) 1504 (define-key map [menu-bar operate compress] 1505 '(menu-item "Compress" dired-do-compress 1506 :help "Compress/uncompress marked files")) 1507 (define-key map [menu-bar operate print] 1508 '(menu-item "Print..." dired-do-print 1509 :help "Ask for print command and print marked files")) 1510 (define-key map [menu-bar operate hardlink] 1511 '(menu-item "Hardlink to..." dired-do-hardlink 1512 :help "Make hard links for current or marked files")) 1513 (define-key map [menu-bar operate symlink] 1514 '(menu-item "Symlink to..." dired-do-symlink 1515 :visible (fboundp 'make-symbolic-link) 1516 :help "Make symbolic links for current or marked files")) 1517 (define-key map [menu-bar operate command] 1518 '(menu-item "Shell Command..." dired-do-shell-command 1519 :help "Run a shell command on each of marked files")) 1520 (define-key map [menu-bar operate delete] 1521 '(menu-item "Delete" dired-do-delete 1522 :help "Delete current file or all marked files")) 1523 (define-key map [menu-bar operate rename] 1524 '(menu-item "Rename to..." dired-do-rename 1525 :help "Rename current file or move marked files")) 1526 (define-key map [menu-bar operate copy] 1527 '(menu-item "Copy to..." dired-do-copy 1528 :help "Copy current file or all marked files")) 1529 1530 map) 1531 "Local keymap for `dired-mode' buffers.") 1532 1533;; Dired mode is suitable only for specially formatted data. 1534(put 'dired-mode 'mode-class 'special) 1535 1536;; Autoload cookie needed by desktop.el 1537;;;###autoload 1538(defun dired-mode (&optional dirname switches) 1539 "\ 1540Mode for \"editing\" directory listings. 1541In Dired, you are \"editing\" a list of the files in a directory and 1542 \(optionally) its subdirectories, in the format of `ls -lR'. 1543 Each directory is a page: use \\[backward-page] and \\[forward-page] to move pagewise. 1544\"Editing\" means that you can run shell commands on files, visit, 1545 compress, load or byte-compile them, change their file attributes 1546 and insert subdirectories into the same buffer. You can \"mark\" 1547 files for later commands or \"flag\" them for deletion, either file 1548 by file or all files matching certain criteria. 1549You can move using the usual cursor motion commands.\\<dired-mode-map> 1550Letters no longer insert themselves. Digits are prefix arguments. 1551Instead, type \\[dired-flag-file-deletion] to flag a file for Deletion. 1552Type \\[dired-mark] to Mark a file or subdirectory for later commands. 1553 Most commands operate on the marked files and use the current file 1554 if no files are marked. Use a numeric prefix argument to operate on 1555 the next ARG (or previous -ARG if ARG<0) files, or just `1' 1556 to operate on the current file only. Prefix arguments override marks. 1557 Mark-using commands display a list of failures afterwards. Type \\[dired-summary] 1558 to see why something went wrong. 1559Type \\[dired-unmark] to Unmark a file or all files of a subdirectory. 1560Type \\[dired-unmark-backward] to back up one line and unflag. 1561Type \\[dired-do-flagged-delete] to eXecute the deletions requested. 1562Type \\[dired-advertised-find-file] to Find the current line's file 1563 (or dired it in another buffer, if it is a directory). 1564Type \\[dired-find-file-other-window] to find file or dired directory in Other window. 1565Type \\[dired-maybe-insert-subdir] to Insert a subdirectory in this buffer. 1566Type \\[dired-do-rename] to Rename a file or move the marked files to another directory. 1567Type \\[dired-do-copy] to Copy files. 1568Type \\[dired-sort-toggle-or-edit] to toggle Sorting by name/date or change the `ls' switches. 1569Type \\[revert-buffer] to read all currently expanded directories aGain. 1570 This retains all marks and hides subdirs again that were hidden before. 1571SPC and DEL can be used to move down and up by lines. 1572 1573If Dired ever gets confused, you can either type \\[revert-buffer] \ 1574to read the 1575directories again, type \\[dired-do-redisplay] \ 1576to relist a single or the marked files or a 1577subdirectory, or type \\[dired-build-subdir-alist] to parse the buffer 1578again for the directory tree. 1579 1580Customization variables (rename this buffer and type \\[describe-variable] on each line 1581for more info): 1582 1583 `dired-listing-switches' 1584 `dired-trivial-filenames' 1585 `dired-shrink-to-fit' 1586 `dired-marker-char' 1587 `dired-del-marker' 1588 `dired-keep-marker-rename' 1589 `dired-keep-marker-copy' 1590 `dired-keep-marker-hardlink' 1591 `dired-keep-marker-symlink' 1592 1593Hooks (use \\[describe-variable] to see their documentation): 1594 1595 `dired-before-readin-hook' 1596 `dired-after-readin-hook' 1597 `dired-mode-hook' 1598 `dired-load-hook' 1599 1600Keybindings: 1601\\{dired-mode-map}" 1602 ;; Not to be called interactively (e.g. dired-directory will be set 1603 ;; to default-directory, which is wrong with wildcards). 1604 (kill-all-local-variables) 1605 (use-local-map dired-mode-map) 1606 (dired-advertise) ; default-directory is already set 1607 (setq major-mode 'dired-mode 1608 mode-name "Dired" 1609 ;; case-fold-search nil 1610 buffer-read-only t 1611 selective-display t ; for subdirectory hiding 1612 mode-line-buffer-identification 1613 (propertized-buffer-identification "%17b")) 1614 (set (make-local-variable 'revert-buffer-function) 1615 (function dired-revert)) 1616 (set (make-local-variable 'buffer-stale-function) 1617 (function dired-buffer-stale-p)) 1618 (set (make-local-variable 'page-delimiter) 1619 "\n\n") 1620 (set (make-local-variable 'dired-directory) 1621 (or dirname default-directory)) 1622 ;; list-buffers uses this to display the dir being edited in this buffer. 1623 (set (make-local-variable 'list-buffers-directory) 1624 (expand-file-name (if (listp dired-directory) 1625 (car dired-directory) 1626 dired-directory))) 1627 (set (make-local-variable 'dired-actual-switches) 1628 (or switches dired-listing-switches)) 1629 (set (make-local-variable 'font-lock-defaults) 1630 '(dired-font-lock-keywords t nil nil beginning-of-line)) 1631 (set (make-local-variable 'desktop-save-buffer) 1632 'dired-desktop-buffer-misc-data) 1633 (setq dired-switches-alist nil) 1634 (dired-sort-other dired-actual-switches t) 1635 (when (featurep 'dnd) 1636 (set (make-local-variable 'dnd-protocol-alist) 1637 (append dired-dnd-protocol-alist dnd-protocol-alist))) 1638 (run-mode-hooks 'dired-mode-hook)) 1639 1640;; Idiosyncratic dired commands that don't deal with marks. 1641 1642(defun dired-summary () 1643 "Summarize basic Dired commands and show recent dired errors." 1644 (interactive) 1645 (dired-why) 1646 ;>> this should check the key-bindings and use substitute-command-keys if non-standard 1647 (message 1648 "d-elete, u-ndelete, x-punge, f-ind, o-ther window, R-ename, C-opy, h-elp")) 1649 1650(defun dired-undo () 1651 "Undo in a dired buffer. 1652This doesn't recover lost files, it just undoes changes in the buffer itself. 1653You can use it to recover marks, killed lines or subdirs." 1654 (interactive) 1655 (let (buffer-read-only) 1656 (undo)) 1657 (dired-build-subdir-alist) 1658 (message "Change in dired buffer undone. 1659Actual changes in files cannot be undone by Emacs.")) 1660 1661(defun dired-next-line (arg) 1662 "Move down lines then position at filename. 1663Optional prefix ARG says how many lines to move; default is one line." 1664 (interactive "p") 1665 (next-line arg) 1666 (dired-move-to-filename)) 1667 1668(defun dired-previous-line (arg) 1669 "Move up lines then position at filename. 1670Optional prefix ARG says how many lines to move; default is one line." 1671 (interactive "p") 1672 (previous-line arg) 1673 (dired-move-to-filename)) 1674 1675(defun dired-next-dirline (arg &optional opoint) 1676 "Goto ARG'th next directory file line." 1677 (interactive "p") 1678 (or opoint (setq opoint (point))) 1679 (if (if (> arg 0) 1680 (re-search-forward dired-re-dir nil t arg) 1681 (beginning-of-line) 1682 (re-search-backward dired-re-dir nil t (- arg))) 1683 (dired-move-to-filename) ; user may type `i' or `f' 1684 (goto-char opoint) 1685 (error "No more subdirectories"))) 1686 1687(defun dired-prev-dirline (arg) 1688 "Goto ARG'th previous directory file line." 1689 (interactive "p") 1690 (dired-next-dirline (- arg))) 1691 1692(defun dired-up-directory (&optional other-window) 1693 "Run Dired on parent directory of current directory. 1694Find the parent directory either in this buffer or another buffer. 1695Creates a buffer if necessary." 1696 (interactive "P") 1697 (let* ((dir (dired-current-directory)) 1698 (up (file-name-directory (directory-file-name dir)))) 1699 (or (dired-goto-file (directory-file-name dir)) 1700 ;; Only try dired-goto-subdir if buffer has more than one dir. 1701 (and (cdr dired-subdir-alist) 1702 (dired-goto-subdir up)) 1703 (progn 1704 (if other-window 1705 (dired-other-window up) 1706 (dired up)) 1707 (dired-goto-file dir))))) 1708 1709(defun dired-get-file-for-visit () 1710 "Get the current line's file name, with an error if file does not exist." 1711 (interactive) 1712 ;; We pass t for second arg so that we don't get error for `.' and `..'. 1713 (let ((raw (dired-get-filename nil t)) 1714 file-name) 1715 (if (null raw) 1716 (error "No file on this line")) 1717 (setq file-name (file-name-sans-versions raw t)) 1718 (if (file-exists-p file-name) 1719 file-name 1720 (if (file-symlink-p file-name) 1721 (error "File is a symlink to a nonexistent target") 1722 (error "File no longer exists; type `g' to update dired buffer"))))) 1723 1724;; Force `f' rather than `e' in the mode doc: 1725(defalias 'dired-advertised-find-file 'dired-find-file) 1726(defun dired-find-file () 1727 "In Dired, visit the file or directory named on this line." 1728 (interactive) 1729 ;; Bind `find-file-run-dired' so that the command works on directories 1730 ;; too, independent of the user's setting. 1731 (let ((find-file-run-dired t)) 1732 (find-file (dired-get-file-for-visit)))) 1733 1734(defun dired-find-alternate-file () 1735 "In Dired, visit this file or directory instead of the dired buffer." 1736 (interactive) 1737 (set-buffer-modified-p nil) 1738 (find-alternate-file (dired-get-file-for-visit))) 1739;; Don't override the setting from .emacs. 1740;;;###autoload (put 'dired-find-alternate-file 'disabled t) 1741 1742(defun dired-mouse-find-file-other-window (event) 1743 "In Dired, visit the file or directory name you click on." 1744 (interactive "e") 1745 (let (window pos file) 1746 (save-excursion 1747 (setq window (posn-window (event-end event)) 1748 pos (posn-point (event-end event))) 1749 (if (not (windowp window)) 1750 (error "No file chosen")) 1751 (set-buffer (window-buffer window)) 1752 (goto-char pos) 1753 (setq file (dired-get-file-for-visit))) 1754 (if (file-directory-p file) 1755 (or (and (cdr dired-subdir-alist) 1756 (dired-goto-subdir file)) 1757 (progn 1758 (select-window window) 1759 (dired-other-window file))) 1760 (select-window window) 1761 (find-file-other-window (file-name-sans-versions file t))))) 1762 1763(defun dired-view-file () 1764 "In Dired, examine a file in view mode, returning to Dired when done. 1765When file is a directory, show it in this buffer if it is inserted. 1766Otherwise, display it in another buffer." 1767 (interactive) 1768 (let ((file (dired-get-file-for-visit))) 1769 (if (file-directory-p file) 1770 (or (and (cdr dired-subdir-alist) 1771 (dired-goto-subdir file)) 1772 (dired file)) 1773 (view-file file)))) 1774 1775(defun dired-find-file-other-window () 1776 "In Dired, visit this file or directory in another window." 1777 (interactive) 1778 (find-file-other-window (dired-get-file-for-visit))) 1779 1780(defun dired-display-file () 1781 "In Dired, display this file or directory in another window." 1782 (interactive) 1783 (display-buffer (find-file-noselect (dired-get-file-for-visit)))) 1784 1785;;; Functions for extracting and manipulating file names in Dired buffers. 1786 1787(defun dired-get-filename (&optional localp no-error-if-not-filep) 1788 "In Dired, return name of file mentioned on this line. 1789Value returned normally includes the directory name. 1790Optional arg LOCALP with value `no-dir' means don't include directory 1791name in result. A value of `verbatim' means to return the name exactly as 1792it occurs in the buffer, and a value of t means construct name relative to 1793`default-directory', which still may contain slashes if in a subdirectory. 1794Optional arg NO-ERROR-IF-NOT-FILEP means treat `.' and `..' as 1795regular filenames and return nil if no filename on this line. 1796Otherwise, an error occurs in these cases." 1797 (let (case-fold-search file p1 p2 already-absolute) 1798 (save-excursion 1799 (if (setq p1 (dired-move-to-filename (not no-error-if-not-filep))) 1800 (setq p2 (dired-move-to-end-of-filename no-error-if-not-filep)))) 1801 ;; nil if no file on this line, but no-error-if-not-filep is t: 1802 (if (setq file (and p1 p2 (buffer-substring p1 p2))) 1803 (progn 1804 ;; Get rid of the mouse-face property that file names have. 1805 (set-text-properties 0 (length file) nil file) 1806 ;; Unquote names quoted by ls or by dired-insert-directory. 1807 ;; Using read to unquote is much faster than substituting 1808 ;; \007 (4 chars) -> ^G (1 char) etc. in a lisp loop. 1809 (setq file 1810 (read 1811 (concat "\"" 1812 ;; Some ls -b don't escape quotes, argh! 1813 ;; This is not needed for GNU ls, though. 1814 (or (dired-string-replace-match 1815 "\\([^\\]\\|\\`\\)\"" file "\\1\\\\\"" nil t) 1816 file) 1817 "\""))) 1818 ;; The above `read' will return a unibyte string if FILE 1819 ;; contains eight-bit-control/graphic characters. 1820 (if (and enable-multibyte-characters 1821 (not (multibyte-string-p file))) 1822 (setq file (string-to-multibyte file))))) 1823 (and file (file-name-absolute-p file) 1824 ;; A relative file name can start with ~. 1825 ;; Don't treat it as absolute in this context. 1826 (not (eq (aref file 0) ?~)) 1827 (setq already-absolute t)) 1828 (cond 1829 ((null file) 1830 nil) 1831 ((eq localp 'verbatim) 1832 file) 1833 ((and (not no-error-if-not-filep) 1834 (member file '("." ".."))) 1835 (error "Cannot operate on `.' or `..'")) 1836 ((and (eq localp 'no-dir) already-absolute) 1837 (file-name-nondirectory file)) 1838 (already-absolute 1839 (let ((handler (find-file-name-handler file nil))) 1840 ;; check for safe-magic property so that we won't 1841 ;; put /: for names that don't really need them. 1842 ;; For instance, .gz files when auto-compression-mode is on. 1843 (if (and handler (not (get handler 'safe-magic))) 1844 (concat "/:" file) 1845 file))) 1846 ((eq localp 'no-dir) 1847 file) 1848 ((equal (dired-current-directory) "/") 1849 (setq file (concat (dired-current-directory localp) file)) 1850 (let ((handler (find-file-name-handler file nil))) 1851 ;; check for safe-magic property so that we won't 1852 ;; put /: for names that don't really need them. 1853 ;; For instance, .gz files when auto-compression-mode is on. 1854 (if (and handler (not (get handler 'safe-magic))) 1855 (concat "/:" file) 1856 file))) 1857 (t 1858 (concat (dired-current-directory localp) file))))) 1859 1860(defun dired-string-replace-match (regexp string newtext 1861 &optional literal global) 1862 "Replace first match of REGEXP in STRING with NEWTEXT. 1863If it does not match, nil is returned instead of the new string. 1864Optional arg LITERAL means to take NEWTEXT literally. 1865Optional arg GLOBAL means to replace all matches." 1866 (if global 1867 (let ((start 0) ret) 1868 (while (string-match regexp string start) 1869 (let ((from-end (- (length string) (match-end 0)))) 1870 (setq ret (setq string (replace-match newtext t literal string))) 1871 (setq start (- (length string) from-end)))) 1872 ret) 1873 (if (not (string-match regexp string 0)) 1874 nil 1875 (replace-match newtext t literal string)))) 1876 1877(defun dired-make-absolute (file &optional dir) 1878 ;;"Convert FILE (a file name relative to DIR) to an absolute file name." 1879 ;; We can't always use expand-file-name as this would get rid of `.' 1880 ;; or expand in / instead default-directory if DIR=="". 1881 ;; This should be good enough for ange-ftp, but might easily be 1882 ;; redefined (for VMS?). 1883 ;; It should be reasonably fast, though, as it is called in 1884 ;; dired-get-filename. 1885 (concat (or dir default-directory) file)) 1886 1887(defun dired-make-relative (file &optional dir ignore) 1888 "Convert FILE (an absolute file name) to a name relative to DIR. 1889If this is impossible, return FILE unchanged. 1890DIR must be a directory name, not a file name." 1891 (or dir (setq dir default-directory)) 1892 ;; This case comes into play if default-directory is set to 1893 ;; use ~. 1894 (if (and (> (length dir) 0) (= (aref dir 0) ?~)) 1895 (setq dir (expand-file-name dir))) 1896 (if (string-match (concat "^" (regexp-quote dir)) file) 1897 (substring file (match-end 0)) 1898;;; (or no-error 1899;;; (error "%s: not in directory tree growing at %s" file dir)) 1900 file)) 1901 1902;;; Functions for finding the file name in a dired buffer line. 1903 1904(defvar dired-permission-flags-regexp 1905 "\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)" 1906 "Regular expression to match the permission flags in `ls -l'.") 1907 1908;; Move to first char of filename on this line. 1909;; Returns position (point) or nil if no filename on this line." 1910(defun dired-move-to-filename (&optional raise-error eol) 1911 "Move to the beginning of the filename on the current line. 1912Return the position of the beginning of the filename, or nil if none found." 1913 ;; This is the UNIX version. 1914 (or eol (setq eol (line-end-position))) 1915 (beginning-of-line) 1916 ;; First try assuming `ls --dired' was used. 1917 (let ((change (next-single-property-change (point) 'dired-filename nil eol))) 1918 (cond 1919 ((and change (< change eol)) 1920 (goto-char change)) 1921 ((re-search-forward directory-listing-before-filename-regexp eol t) 1922 (goto-char (match-end 0))) 1923 ((re-search-forward dired-permission-flags-regexp eol t) 1924 ;; Ha! There *is* a file. Our regexp-from-hell just failed to find it. 1925 (if raise-error 1926 (error "Unrecognized line! Check directory-listing-before-filename-regexp")) 1927 (beginning-of-line) 1928 nil) 1929 (raise-error 1930 (error "No file on this line"))))) 1931 1932(defun dired-move-to-end-of-filename (&optional no-error) 1933 ;; Assumes point is at beginning of filename, 1934 ;; thus the rwx bit re-search-backward below will succeed in *this* 1935 ;; line if at all. So, it should be called only after 1936 ;; (dired-move-to-filename t). 1937 ;; On failure, signals an error (with non-nil NO-ERROR just returns nil). 1938 ;; This is the UNIX version. 1939 (if (get-text-property (point) 'dired-filename) 1940 (goto-char (next-single-property-change (point) 'dired-filename)) 1941 (let (opoint file-type executable symlink hidden case-fold-search used-F eol) 1942 ;; case-fold-search is nil now, so we can test for capital F: 1943 (setq used-F (string-match "F" dired-actual-switches) 1944 opoint (point) 1945 eol (save-excursion (end-of-line) (point)) 1946 hidden (and selective-display 1947 (save-excursion (search-forward "\r" eol t)))) 1948 (if hidden 1949 nil 1950 (save-excursion ;; Find out what kind of file this is: 1951 ;; Restrict perm bits to be non-blank, 1952 ;; otherwise this matches one char to early (looking backward): 1953 ;; "l---------" (some systems make symlinks that way) 1954 ;; "----------" (plain file with zero perms) 1955 (if (re-search-backward 1956 dired-permission-flags-regexp nil t) 1957 (setq file-type (char-after (match-beginning 1)) 1958 symlink (eq file-type ?l) 1959 ;; Only with -F we need to know whether it's an executable 1960 executable (and 1961 used-F 1962 (string-match 1963 "[xst]" ;; execute bit set anywhere? 1964 (concat 1965 (match-string 2) 1966 (match-string 3) 1967 (match-string 4))))) 1968 (or no-error (error "No file on this line")))) 1969 ;; Move point to end of name: 1970 (if symlink 1971 (if (search-forward " -> " eol t) 1972 (progn 1973 (forward-char -4) 1974 (and used-F 1975 dired-ls-F-marks-symlinks 1976 (eq (preceding-char) ?@) ;; did ls really mark the link? 1977 (forward-char -1)))) 1978 (goto-char eol) ;; else not a symbolic link 1979 ;; ls -lF marks dirs, sockets, fifos and executables with exactly 1980 ;; one trailing character. (Executable bits on symlinks ain't mean 1981 ;; a thing, even to ls, but we know it's not a symlink.) 1982 (and used-F 1983 (or (memq file-type '(?d ?s ?p)) 1984 executable) 1985 (forward-char -1)))) 1986 (or no-error 1987 (not (eq opoint (point))) 1988 (error (if hidden 1989 (substitute-command-keys 1990 "File line is hidden, type \\[dired-hide-subdir] to unhide") 1991 "No file on this line"))) 1992 (if (eq opoint (point)) 1993 nil 1994 (point))))) 1995 1996 1997;;; COPY NAMES OF MARKED FILES INTO KILL-RING. 1998 1999(defun dired-copy-filename-as-kill (&optional arg) 2000 "Copy names of marked (or next ARG) files into the kill ring. 2001The names are separated by a space. 2002With a zero prefix arg, use the absolute file name of each marked file. 2003With \\[universal-argument], use the file name relative to the dired buffer's 2004`default-directory'. (This still may contain slashes if in a subdirectory.) 2005 2006If on a subdir headerline, use absolute subdirname instead; 2007prefix arg and marked files are ignored in this case. 2008 2009You can then feed the file name(s) to other commands with \\[yank]." 2010 (interactive "P") 2011 (let ((string 2012 (or (dired-get-subdir) 2013 (mapconcat (function identity) 2014 (if arg 2015 (cond ((zerop (prefix-numeric-value arg)) 2016 (dired-get-marked-files)) 2017 ((consp arg) 2018 (dired-get-marked-files t)) 2019 (t 2020 (dired-get-marked-files 2021 'no-dir (prefix-numeric-value arg)))) 2022 (dired-get-marked-files 'no-dir)) 2023 " ")))) 2024 (if (eq last-command 'kill-region) 2025 (kill-append string nil) 2026 (kill-new string)) 2027 (message "%s" string))) 2028 2029 2030;; Keeping Dired buffers in sync with the filesystem and with each other 2031 2032(defun dired-buffers-for-dir (dir &optional file) 2033;; Return a list of buffers that dired DIR (top level or in-situ subdir). 2034;; If FILE is non-nil, include only those whose wildcard pattern (if any) 2035;; matches FILE. 2036;; The list is in reverse order of buffer creation, most recent last. 2037;; As a side effect, killed dired buffers for DIR are removed from 2038;; dired-buffers. 2039 (setq dir (file-name-as-directory dir)) 2040 (let ((alist dired-buffers) result elt buf) 2041 (while alist 2042 (setq elt (car alist) 2043 buf (cdr elt)) 2044 (if (buffer-name buf) 2045 (if (dired-in-this-tree dir (car elt)) 2046 (with-current-buffer buf 2047 (and (assoc dir dired-subdir-alist) 2048 (or (null file) 2049 (let ((wildcards 2050 (file-name-nondirectory dired-directory))) 2051 (or (= 0 (length wildcards)) 2052 (string-match (dired-glob-regexp wildcards) 2053 file)))) 2054 (setq result (cons buf result))))) 2055 ;; else buffer is killed - clean up: 2056 (setq dired-buffers (delq elt dired-buffers))) 2057 (setq alist (cdr alist))) 2058 result)) 2059 2060(defun dired-glob-regexp (pattern) 2061 "Convert glob-pattern PATTERN to a regular expression." 2062 (let ((matched-in-pattern 0) ;; How many chars of PATTERN we've handled. 2063 regexp) 2064 (while (string-match "[[?*]" pattern matched-in-pattern) 2065 (let ((op-end (match-end 0)) 2066 (next-op (aref pattern (match-beginning 0)))) 2067 (setq regexp (concat regexp 2068 (regexp-quote 2069 (substring pattern matched-in-pattern 2070 (match-beginning 0))))) 2071 (cond ((= next-op ??) 2072 (setq regexp (concat regexp ".")) 2073 (setq matched-in-pattern op-end)) 2074 ((= next-op ?\[) 2075 ;; Fails to handle ^ yet ???? 2076 (let* ((set-start (match-beginning 0)) 2077 (set-cont 2078 (if (= (aref pattern (1+ set-start)) ?^) 2079 (+ 3 set-start) 2080 (+ 2 set-start))) 2081 (set-end (string-match "]" pattern set-cont)) 2082 (set (substring pattern set-start (1+ set-end)))) 2083 (setq regexp (concat regexp set)) 2084 (setq matched-in-pattern (1+ set-end)))) 2085 ((= next-op ?*) 2086 (setq regexp (concat regexp ".*")) 2087 (setq matched-in-pattern op-end))))) 2088 (concat "\\`" 2089 regexp 2090 (regexp-quote 2091 (substring pattern matched-in-pattern)) 2092 "\\'"))) 2093 2094 2095 2096(defun dired-advertise () 2097 ;;"Advertise in variable `dired-buffers' that we dired `default-directory'." 2098 ;; With wildcards we actually advertise too much. 2099 (let ((expanded-default (expand-file-name default-directory))) 2100 (if (memq (current-buffer) (dired-buffers-for-dir expanded-default)) 2101 t ; we have already advertised ourselves 2102 (setq dired-buffers 2103 (cons (cons expanded-default (current-buffer)) 2104 dired-buffers))))) 2105 2106(defun dired-unadvertise (dir) 2107 ;; Remove DIR from the buffer alist in variable dired-buffers. 2108 ;; This has the effect of removing any buffer whose main directory is DIR. 2109 ;; It does not affect buffers in which DIR is a subdir. 2110 ;; Removing is also done as a side-effect in dired-buffer-for-dir. 2111 (setq dired-buffers 2112 (delq (assoc (expand-file-name dir) dired-buffers) dired-buffers))) 2113 2114;; Tree Dired 2115 2116;;; utility functions 2117 2118(defun dired-in-this-tree (file dir) 2119 ;;"Is FILE part of the directory tree starting at DIR?" 2120 (let (case-fold-search) 2121 (string-match (concat "^" (regexp-quote dir)) file))) 2122 2123(defun dired-normalize-subdir (dir) 2124 ;; Prepend default-directory to DIR if relative file name. 2125 ;; dired-get-filename must be able to make a valid file name from a 2126 ;; file and its directory DIR. 2127 (file-name-as-directory 2128 (if (file-name-absolute-p dir) 2129 dir 2130 (expand-file-name dir default-directory)))) 2131 2132(defun dired-get-subdir () 2133 ;;"Return the subdir name on this line, or nil if not on a headerline." 2134 ;; Look up in the alist whether this is a headerline. 2135 (save-excursion 2136 (let ((cur-dir (dired-current-directory))) 2137 (beginning-of-line) ; alist stores b-o-l positions 2138 (and (zerop (- (point) 2139 (dired-get-subdir-min (assoc cur-dir 2140 dired-subdir-alist)))) 2141 cur-dir)))) 2142 2143;(defun dired-get-subdir-min (elt) 2144; (cdr elt)) 2145;; can't use macro, must be redefinable for other alist format in dired-nstd. 2146(defalias 'dired-get-subdir-min 'cdr) 2147 2148(defun dired-get-subdir-max (elt) 2149 (save-excursion 2150 (goto-char (dired-get-subdir-min elt)) 2151 (dired-subdir-max))) 2152 2153(defun dired-clear-alist () 2154 (while dired-subdir-alist 2155 (set-marker (dired-get-subdir-min (car dired-subdir-alist)) nil) 2156 (setq dired-subdir-alist (cdr dired-subdir-alist)))) 2157 2158(defun dired-subdir-index (dir) 2159 ;; Return an index into alist for use with nth 2160 ;; for the sake of subdir moving commands. 2161 (let (found (index 0) (alist dired-subdir-alist)) 2162 (while alist 2163 (if (string= dir (car (car alist))) 2164 (setq alist nil found t) 2165 (setq alist (cdr alist) index (1+ index)))) 2166 (if found index nil))) 2167 2168(defun dired-next-subdir (arg &optional no-error-if-not-found no-skip) 2169 "Go to next subdirectory, regardless of level." 2170 ;; Use 0 arg to go to this directory's header line. 2171 ;; NO-SKIP prevents moving to end of header line, returning whatever 2172 ;; position was found in dired-subdir-alist. 2173 (interactive "p") 2174 (let ((this-dir (dired-current-directory)) 2175 pos index) 2176 ;; nth with negative arg does not return nil but the first element 2177 (setq index (- (dired-subdir-index this-dir) arg)) 2178 (setq pos (if (>= index 0) 2179 (dired-get-subdir-min (nth index dired-subdir-alist)))) 2180 (if pos 2181 (progn 2182 (goto-char pos) 2183 (or no-skip (skip-chars-forward "^\n\r")) 2184 (point)) 2185 (if no-error-if-not-found 2186 nil ; return nil if not found 2187 (error "%s directory" (if (> arg 0) "Last" "First")))))) 2188 2189(defun dired-build-subdir-alist (&optional switches) 2190 "Build `dired-subdir-alist' by parsing the buffer. 2191Returns the new value of the alist. 2192If optional arg SWITCHES is non-nil, use its value 2193instead of `dired-actual-switches'." 2194 (interactive) 2195 (dired-clear-alist) 2196 (save-excursion 2197 (let* ((count 0) 2198 (buffer-read-only nil) 2199 (buffer-undo-list t) 2200 (switches (or switches dired-actual-switches)) 2201 new-dir-name 2202 (R-ftp-base-dir-regex 2203 ;; Used to expand subdirectory names correctly in recursive 2204 ;; ange-ftp listings. 2205 (and (string-match "R" switches) 2206 (string-match "\\`/.*:\\(/.*\\)" default-directory) 2207 (concat "\\`" (match-string 1 default-directory))))) 2208 (goto-char (point-min)) 2209 (setq dired-subdir-alist nil) 2210 (while (re-search-forward dired-subdir-regexp nil t) 2211 ;; Avoid taking a file name ending in a colon 2212 ;; as a subdir name. 2213 (unless (save-excursion 2214 (goto-char (match-beginning 0)) 2215 (beginning-of-line) 2216 (forward-char 2) 2217 (save-match-data (looking-at dired-re-perms))) 2218 (save-excursion 2219 (goto-char (match-beginning 1)) 2220 (setq new-dir-name 2221 (buffer-substring-no-properties (point) (match-end 1)) 2222 new-dir-name 2223 (save-match-data 2224 (if (and R-ftp-base-dir-regex 2225 (not (string= new-dir-name default-directory)) 2226 (string-match R-ftp-base-dir-regex new-dir-name)) 2227 (concat default-directory 2228 (substring new-dir-name (match-end 0))) 2229 (expand-file-name new-dir-name)))) 2230 (delete-region (point) (match-end 1)) 2231 (insert new-dir-name)) 2232 (setq count (1+ count)) 2233 (dired-alist-add-1 new-dir-name 2234 ;; Place a sub directory boundary between lines. 2235 (save-excursion 2236 (goto-char (match-beginning 0)) 2237 (beginning-of-line) 2238 (point-marker))))) 2239 (if (and (> count 1) (interactive-p)) 2240 (message "Buffer includes %d directories" count))) 2241 ;; We don't need to sort it because it is in buffer order per 2242 ;; constructionem. Return new alist: 2243 dired-subdir-alist)) 2244 2245(defun dired-alist-add-1 (dir new-marker) 2246 ;; Add new DIR at NEW-MARKER. Don't sort. 2247 (setq dired-subdir-alist 2248 (cons (cons (dired-normalize-subdir dir) new-marker) 2249 dired-subdir-alist))) 2250 2251(defun dired-goto-next-nontrivial-file () 2252 ;; Position point on first nontrivial file after point. 2253 (dired-goto-next-file);; so there is a file to compare with 2254 (if (stringp dired-trivial-filenames) 2255 (while (and (not (eobp)) 2256 (string-match dired-trivial-filenames 2257 (file-name-nondirectory 2258 (or (dired-get-filename nil t) "")))) 2259 (forward-line 1) 2260 (dired-move-to-filename)))) 2261 2262(defun dired-goto-next-file () 2263 (let ((max (1- (dired-subdir-max)))) 2264 (while (and (not (dired-move-to-filename)) (< (point) max)) 2265 (forward-line 1)))) 2266 2267(defun dired-goto-file (file) 2268 "Go to line describing file FILE in this dired buffer." 2269 ;; Return value of point on success, else nil. 2270 ;; FILE must be an absolute file name. 2271 ;; Loses if FILE contains control chars like "\007" for which ls 2272 ;; either inserts "?" or "\\007" into the buffer, so we won't find 2273 ;; it in the buffer. 2274 (interactive 2275 (prog1 ; let push-mark display its message 2276 (list (expand-file-name 2277 (read-file-name "Goto file: " 2278 (dired-current-directory)))) 2279 (push-mark))) 2280 (setq file (directory-file-name file)) ; does no harm if no directory 2281 (let (found case-fold-search dir) 2282 (setq dir (or (file-name-directory file) 2283 (error "File name `%s' is not absolute" file))) 2284 (save-excursion 2285 ;; The hair here is to get the result of dired-goto-subdir 2286 ;; without really calling it if we don't have any subdirs. 2287 (if (if (string= dir (expand-file-name default-directory)) 2288 (goto-char (point-min)) 2289 (and (cdr dired-subdir-alist) 2290 (dired-goto-subdir dir))) 2291 (let ((base (file-name-nondirectory file)) 2292 search-string 2293 (boundary (dired-subdir-max))) 2294 (setq search-string 2295 (replace-regexp-in-string "\^m" "\\^m" base nil t)) 2296 (setq search-string 2297 (replace-regexp-in-string "\\\\" "\\\\" search-string nil t)) 2298 (while (and (not found) 2299 ;; filenames are preceded by SPC, this makes 2300 ;; the search faster (e.g. for the filename "-"!). 2301 (search-forward (concat " " search-string) 2302 boundary 'move)) 2303 ;; Match could have BASE just as initial substring or 2304 ;; or in permission bits or date or 2305 ;; not be a proper filename at all: 2306 (if (equal base (dired-get-filename 'no-dir t)) 2307 ;; Must move to filename since an (actually 2308 ;; correct) match could have been elsewhere on the 2309 ;; ;; line (e.g. "-" would match somewhere in the 2310 ;; permission bits). 2311 (setq found (dired-move-to-filename)) 2312 ;; If this isn't the right line, move forward to avoid 2313 ;; trying this line again. 2314 (forward-line 1)))))) 2315 (and found 2316 ;; return value of point (i.e., FOUND): 2317 (goto-char found)))) 2318 2319(defun dired-initial-position (dirname) 2320 ;; Where point should go in a new listing of DIRNAME. 2321 ;; Point assumed at beginning of new subdir line. 2322 ;; You may redefine this function as you wish, e.g. like in dired-x.el. 2323 (end-of-line) 2324 (if dired-trivial-filenames (dired-goto-next-nontrivial-file))) 2325 2326;; These are hooks which make tree dired work. 2327;; They are in this file because other parts of dired need to call them. 2328;; But they don't call the rest of tree dired unless there are subdirs loaded. 2329 2330;; This function is called for each retrieved filename. 2331;; It could stand to be faster, though it's mostly function call 2332;; overhead. Avoiding the function call seems to save about 10% in 2333;; dired-get-filename. Make it a defsubst? 2334(defun dired-current-directory (&optional localp) 2335 "Return the name of the subdirectory to which this line belongs. 2336This returns a string with trailing slash, like `default-directory'. 2337Optional argument means return a file name relative to `default-directory'." 2338 (let ((here (point)) 2339 (alist (or dired-subdir-alist 2340 ;; probably because called in a non-dired buffer 2341 (error "No subdir-alist in %s" (current-buffer)))) 2342 elt dir) 2343 (while alist 2344 (setq elt (car alist) 2345 dir (car elt) 2346 ;; use `<=' (not `<') as subdir line is part of subdir 2347 alist (if (<= (dired-get-subdir-min elt) here) 2348 nil ; found 2349 (cdr alist)))) 2350 (if localp 2351 (dired-make-relative dir default-directory) 2352 dir))) 2353 2354;; Subdirs start at the beginning of their header lines and end just 2355;; before the beginning of the next header line (or end of buffer). 2356 2357(defun dired-subdir-max () 2358 (save-excursion 2359 (if (or (null (cdr dired-subdir-alist)) (not (dired-next-subdir 1 t t))) 2360 (point-max) 2361 (point)))) 2362 2363;; Deleting files 2364 2365(defcustom dired-recursive-deletes nil ; Default only delete empty directories. 2366 "*Decide whether recursive deletes are allowed. 2367A value of nil means no recursive deletes. 2368`always' means delete recursively without asking. This is DANGEROUS! 2369`top' means ask for each directory at top level, but delete its subdirectories 2370without asking. 2371Anything else means ask for each directory." 2372 :type '(choice :tag "Delete non-empty directories" 2373 (const :tag "Yes" always) 2374 (const :tag "No--only delete empty directories" nil) 2375 (const :tag "Confirm for each directory" t) 2376 (const :tag "Confirm for each top directory only" top)) 2377 :group 'dired) 2378 2379;; Match anything but `.' and `..'. 2380(defvar dired-re-no-dot "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*") 2381 2382;; Delete file, possibly delete a directory and all its files. 2383;; This function is usefull outside of dired. One could change it's name 2384;; to e.g. recursive-delete-file and put it somewhere else. 2385(defun dired-delete-file (file &optional recursive) "\ 2386Delete FILE or directory (possibly recursively if optional RECURSIVE is true.) 2387RECURSIVE determines what to do with a non-empty directory. If RECURSIVE is: 2388nil, do not delete. 2389`always', delete recursively without asking. 2390`top', ask for each directory at top level. 2391Anything else, ask for each sub-directory." 2392 (let (files) 2393 ;; This test is equivalent to 2394 ;; (and (file-directory-p fn) (not (file-symlink-p fn))) 2395 ;; but more efficient 2396 (if (not (eq t (car (file-attributes file)))) 2397 (delete-file file) 2398 (when (and recursive 2399 (setq files 2400 (directory-files file t dired-re-no-dot)) ; Not empty. 2401 (or (eq recursive 'always) 2402 (yes-or-no-p (format "Recursive delete of %s? " 2403 (dired-make-relative file))))) 2404 (if (eq recursive 'top) (setq recursive 'always)) ; Don't ask again. 2405 (while files ; Recursively delete (possibly asking). 2406 (dired-delete-file (car files) recursive) 2407 (setq files (cdr files)))) 2408 (delete-directory file)))) 2409 2410(defun dired-do-flagged-delete (&optional nomessage) 2411 "In Dired, delete the files flagged for deletion. 2412If NOMESSAGE is non-nil, we don't display any message 2413if there are no flagged files. 2414`dired-recursive-deletes' controls whether 2415deletion of non-empty directories is allowed." 2416 (interactive) 2417 (let* ((dired-marker-char dired-del-marker) 2418 (regexp (dired-marker-regexp)) 2419 case-fold-search) 2420 (if (save-excursion (goto-char (point-min)) 2421 (re-search-forward regexp nil t)) 2422 (dired-internal-do-deletions 2423 ;; this can't move point since ARG is nil 2424 (dired-map-over-marks (cons (dired-get-filename) (point)) 2425 nil) 2426 nil) 2427 (or nomessage 2428 (message "(No deletions requested)"))))) 2429 2430(defun dired-do-delete (&optional arg) 2431 "Delete all marked (or next ARG) files. 2432`dired-recursive-deletes' controls whether 2433deletion of non-empty directories is allowed." 2434 ;; This is more consistent with the file marking feature than 2435 ;; dired-do-flagged-delete. 2436 (interactive "P") 2437 (dired-internal-do-deletions 2438 ;; this may move point if ARG is an integer 2439 (dired-map-over-marks (cons (dired-get-filename) (point)) 2440 arg) 2441 arg)) 2442 2443(defvar dired-deletion-confirmer 'yes-or-no-p) ; or y-or-n-p? 2444 2445(defun dired-internal-do-deletions (l arg) 2446 ;; L is an alist of files to delete, with their buffer positions. 2447 ;; ARG is the prefix arg. 2448 ;; Filenames are absolute (VMS needs this for logical search paths). 2449 ;; (car L) *must* be the *last* (bottommost) file in the dired buffer. 2450 ;; That way as changes are made in the buffer they do not shift the 2451 ;; lines still to be changed, so the (point) values in L stay valid. 2452 ;; Also, for subdirs in natural order, a subdir's files are deleted 2453 ;; before the subdir itself - the other way around would not work. 2454 (let ((files (mapcar (function car) l)) 2455 (count (length l)) 2456 (succ 0)) 2457 ;; canonicalize file list for pop up 2458 (setq files (nreverse (mapcar (function dired-make-relative) files))) 2459 (if (dired-mark-pop-up 2460 " *Deletions*" 'delete files dired-deletion-confirmer 2461 (format "Delete %s " (dired-mark-prompt arg files))) 2462 (save-excursion 2463 (let (failures);; files better be in reverse order for this loop! 2464 (while l 2465 (goto-char (cdr (car l))) 2466 (let (buffer-read-only) 2467 (condition-case err 2468 (let ((fn (car (car l)))) 2469 (dired-delete-file fn dired-recursive-deletes) 2470 ;; if we get here, removing worked 2471 (setq succ (1+ succ)) 2472 (message "%s of %s deletions" succ count) 2473 (dired-fun-in-all-buffers 2474 (file-name-directory fn) (file-name-nondirectory fn) 2475 (function dired-delete-entry) fn)) 2476 (error;; catch errors from failed deletions 2477 (dired-log "%s\n" err) 2478 (setq failures (cons (car (car l)) failures))))) 2479 (setq l (cdr l))) 2480 (if (not failures) 2481 (message "%d deletion%s done" count (dired-plural-s count)) 2482 (dired-log-summary 2483 (format "%d of %d deletion%s failed" 2484 (length failures) count 2485 (dired-plural-s count)) 2486 failures)))) 2487 (message "(No deletions performed)"))) 2488 (dired-move-to-filename)) 2489 2490(defun dired-fun-in-all-buffers (directory file fun &rest args) 2491 ;; In all buffers dired'ing DIRECTORY, run FUN with ARGS. 2492 ;; If the buffer has a wildcard pattern, check that it matches FILE. 2493 ;; (FILE does not include a directory component.) 2494 ;; FILE may be nil, in which case ignore it. 2495 ;; Return list of buffers where FUN succeeded (i.e., returned non-nil). 2496 (let (success-list) 2497 (dolist (buf (dired-buffers-for-dir (expand-file-name directory) 2498 file)) 2499 (with-current-buffer buf 2500 (if (apply fun args) 2501 (setq success-list (cons (buffer-name buf) success-list))))) 2502 success-list)) 2503 2504;; Delete the entry for FILE from 2505(defun dired-delete-entry (file) 2506 (save-excursion 2507 (and (dired-goto-file file) 2508 (let (buffer-read-only) 2509 (delete-region (progn (beginning-of-line) (point)) 2510 (save-excursion (forward-line 1) (point)))))) 2511 (dired-clean-up-after-deletion file)) 2512 2513;; This is a separate function for the sake of dired-x.el. 2514(defun dired-clean-up-after-deletion (fn) 2515 ;; Clean up after a deleted file or directory FN. 2516 (save-excursion (and (cdr dired-subdir-alist) 2517 (dired-goto-subdir fn) 2518 (dired-kill-subdir)))) 2519 2520;; Confirmation 2521 2522(defun dired-marker-regexp () 2523 (concat "^" (regexp-quote (char-to-string dired-marker-char)))) 2524 2525(defun dired-plural-s (count) 2526 (if (= 1 count) "" "s")) 2527 2528(defun dired-mark-prompt (arg files) 2529 ;; Return a string for use in a prompt, either the current file 2530 ;; name, or the marker and a count of marked files. 2531 (let ((count (length files))) 2532 (if (= count 1) 2533 (car files) 2534 ;; more than 1 file: 2535 (if (integerp arg) 2536 ;; abs(arg) = count 2537 ;; Perhaps this is nicer, but it also takes more screen space: 2538 ;;(format "[%s %d files]" (if (> arg 0) "next" "previous") 2539 ;; count) 2540 (format "[next %d files]" arg) 2541 (format "%c [%d files]" dired-marker-char count))))) 2542 2543(defun dired-pop-to-buffer (buf) 2544 ;; Pop up buffer BUF. 2545 ;; If dired-shrink-to-fit is t, make its window fit its contents. 2546 (if (not dired-shrink-to-fit) 2547 (pop-to-buffer (get-buffer-create buf)) 2548 ;; let window shrink to fit: 2549 (let ((window (selected-window)) 2550 target-lines w2) 2551 (cond ;; if split-height-threshold is enabled, use the largest window 2552 ((and (> (window-height (setq w2 (get-largest-window))) 2553 split-height-threshold) 2554 (= (frame-width) (window-width w2))) 2555 (setq window w2)) 2556 ;; if the least-recently-used window is big enough, use it 2557 ((and (> (window-height (setq w2 (get-lru-window))) 2558 (* 2 window-min-height)) 2559 (= (frame-width) (window-width w2))) 2560 (setq window w2))) 2561 (save-excursion 2562 (set-buffer buf) 2563 (goto-char (point-max)) 2564 (skip-chars-backward "\n\r\t ") 2565 (setq target-lines (count-lines (point-min) (point))) 2566 ;; Don't forget to count the last line. 2567 (if (not (bolp)) 2568 (setq target-lines (1+ target-lines)))) 2569 (if (<= (window-height window) (* 2 window-min-height)) 2570 ;; At this point, every window on the frame is too small to split. 2571 (setq w2 (display-buffer buf)) 2572 (setq w2 (split-window window 2573 (max window-min-height 2574 (- (window-height window) 2575 (1+ (max window-min-height target-lines))))))) 2576 (set-window-buffer w2 buf) 2577 (if (< (1- (window-height w2)) target-lines) 2578 (progn 2579 (select-window w2) 2580 (enlarge-window (- target-lines (1- (window-height w2)))))) 2581 (set-window-start w2 1) 2582 ))) 2583 2584(defcustom dired-no-confirm nil 2585 "A list of symbols for commands Dired should not confirm. 2586Command symbols are `byte-compile', `chgrp', `chmod', `chown', `compress', 2587`copy', `delete', `hardlink', `load', `move', `print', `shell', `symlink', 2588`touch' and `uncompress'." 2589 :group 'dired 2590 :type '(set (const byte-compile) (const chgrp) 2591 (const chmod) (const chown) (const compress) 2592 (const copy) (const delete) (const hardlink) 2593 (const load) (const move) (const print) 2594 (const shell) (const symlink) (const touch) 2595 (const uncompress))) 2596 2597(defun dired-mark-pop-up (bufname op-symbol files function &rest args) 2598 "Return FUNCTION's result on ARGS after showing which files are marked. 2599Displays the file names in a buffer named BUFNAME; 2600 nil gives \" *Marked Files*\". 2601This uses function `dired-pop-to-buffer' to do that. 2602 2603FUNCTION should not manipulate files, just read input 2604 (an argument or confirmation). 2605The window is not shown if there is just one file or 2606 OP-SYMBOL is a member of the list in `dired-no-confirm'. 2607FILES is the list of marked files. It can also be (t FILENAME) 2608in the case of one marked file, to distinguish that from using 2609just the current file." 2610 (or bufname (setq bufname " *Marked Files*")) 2611 (if (or (eq dired-no-confirm t) 2612 (memq op-symbol dired-no-confirm) 2613 ;; If FILES defaulted to the current line's file. 2614 (= (length files) 1)) 2615 (apply function args) 2616 (with-current-buffer (get-buffer-create bufname) 2617 (erase-buffer) 2618 ;; Handle (t FILE) just like (FILE), here. 2619 ;; That value is used (only in some cases), to mean 2620 ;; just one file that was marked, rather than the current line file. 2621 (dired-format-columns-of-files (if (eq (car files) t) (cdr files) files)) 2622 (remove-text-properties (point-min) (point-max) 2623 '(mouse-face nil help-echo nil))) 2624 (save-window-excursion 2625 (dired-pop-to-buffer bufname) 2626 (apply function args)))) 2627 2628(defun dired-format-columns-of-files (files) 2629 ;; Files should be in forward order for this loop. 2630 ;; i.e., (car files) = first file in buffer. 2631 ;; Returns the number of lines used. 2632 (let* ((maxlen (+ 2 (apply 'max (mapcar 'length files)))) 2633 (width (- (window-width (selected-window)) 2)) 2634 (columns (max 1 (/ width maxlen))) 2635 (nfiles (length files)) 2636 (rows (+ (/ nfiles columns) 2637 (if (zerop (% nfiles columns)) 0 1))) 2638 (i 0) 2639 (j 0)) 2640 (setq files (nconc (copy-sequence files) ; fill up with empty fns 2641 (make-list (- (* columns rows) nfiles) ""))) 2642 (setcdr (nthcdr (1- (length files)) files) files) ; make circular 2643 (while (< j rows) 2644 (while (< i columns) 2645 (indent-to (* i maxlen)) 2646 (insert (car files)) 2647 (setq files (nthcdr rows files) 2648 i (1+ i))) 2649 (insert "\n") 2650 (setq i 0 2651 j (1+ j) 2652 files (cdr files))) 2653 rows)) 2654 2655;; Commands to mark or flag file(s) at or near current line. 2656 2657(defun dired-repeat-over-lines (arg function) 2658 ;; This version skips non-file lines. 2659 (let ((pos (make-marker))) 2660 (beginning-of-line) 2661 (while (and (> arg 0) (not (eobp))) 2662 (setq arg (1- arg)) 2663 (beginning-of-line) 2664 (while (and (not (eobp)) (dired-between-files)) (forward-line 1)) 2665 (save-excursion 2666 (forward-line 1) 2667 (move-marker pos (1+ (point)))) 2668 (save-excursion (funcall function)) 2669 ;; Advance to the next line--actually, to the line that *was* next. 2670 ;; (If FUNCTION inserted some new lines in between, skip them.) 2671 (goto-char pos)) 2672 (while (and (< arg 0) (not (bobp))) 2673 (setq arg (1+ arg)) 2674 (forward-line -1) 2675 (while (and (not (bobp)) (dired-between-files)) (forward-line -1)) 2676 (beginning-of-line) 2677 (save-excursion (funcall function))) 2678 (move-marker pos nil) 2679 (dired-move-to-filename))) 2680 2681(defun dired-between-files () 2682 ;; This used to be a regexp match of the `total ...' line output by 2683 ;; ls, which is slightly faster, but that is not very robust; notably, 2684 ;; it fails for non-english locales. 2685 (save-excursion (not (dired-move-to-filename)))) 2686 2687(defun dired-next-marked-file (arg &optional wrap opoint) 2688 "Move to the next marked file, wrapping around the end of the buffer." 2689 (interactive "p\np") 2690 (or opoint (setq opoint (point)));; return to where interactively started 2691 (if (if (> arg 0) 2692 (re-search-forward dired-re-mark nil t arg) 2693 (beginning-of-line) 2694 (re-search-backward dired-re-mark nil t (- arg))) 2695 (dired-move-to-filename) 2696 (if (null wrap) 2697 (progn 2698 (goto-char opoint) 2699 (error "No next marked file")) 2700 (message "(Wraparound for next marked file)") 2701 (goto-char (if (> arg 0) (point-min) (point-max))) 2702 (dired-next-marked-file arg nil opoint)))) 2703 2704(defun dired-prev-marked-file (arg &optional wrap) 2705 "Move to the previous marked file, wrapping around the end of the buffer." 2706 (interactive "p\np") 2707 (dired-next-marked-file (- arg) wrap)) 2708 2709(defun dired-file-marker (file) 2710 ;; Return FILE's marker, or nil if unmarked. 2711 (save-excursion 2712 (and (dired-goto-file file) 2713 (progn 2714 (beginning-of-line) 2715 (if (not (equal ?\040 (following-char))) 2716 (following-char)))))) 2717 2718(defun dired-mark-files-in-region (start end) 2719 (let (buffer-read-only) 2720 (if (> start end) 2721 (error "start > end")) 2722 (goto-char start) ; assumed at beginning of line 2723 (while (< (point) end) 2724 ;; Skip subdir line and following garbage like the `total' line: 2725 (while (and (< (point) end) (dired-between-files)) 2726 (forward-line 1)) 2727 (if (and (not (looking-at dired-re-dot)) 2728 (dired-get-filename nil t)) 2729 (progn 2730 (delete-char 1) 2731 (insert dired-marker-char))) 2732 (forward-line 1)))) 2733 2734(defun dired-mark (arg) 2735 "Mark the current (or next ARG) files. 2736If on a subdir headerline, mark all its files except `.' and `..'. 2737 2738Use \\[dired-unmark-all-files] to remove all marks 2739and \\[dired-unmark] on a subdir to remove the marks in 2740this subdir." 2741 (interactive "P") 2742 (if (dired-get-subdir) 2743 (save-excursion (dired-mark-subdir-files)) 2744 (let (buffer-read-only) 2745 (dired-repeat-over-lines 2746 (prefix-numeric-value arg) 2747 (function (lambda () (delete-char 1) (insert dired-marker-char))))))) 2748 2749(defun dired-unmark (arg) 2750 "Unmark the current (or next ARG) files. 2751If looking at a subdir, unmark all its files except `.' and `..'." 2752 (interactive "P") 2753 (let ((dired-marker-char ?\040)) 2754 (dired-mark arg))) 2755 2756(defun dired-flag-file-deletion (arg) 2757 "In Dired, flag the current line's file for deletion. 2758With prefix arg, repeat over several lines. 2759 2760If on a subdir headerline, mark all its files except `.' and `..'." 2761 (interactive "P") 2762 (let ((dired-marker-char dired-del-marker)) 2763 (dired-mark arg))) 2764 2765(defun dired-unmark-backward (arg) 2766 "In Dired, move up lines and remove deletion flag there. 2767Optional prefix ARG says how many lines to unflag; default is one line." 2768 (interactive "p") 2769 (dired-unmark (- arg))) 2770 2771(defun dired-toggle-marks () 2772 "Toggle marks: marked files become unmarked, and vice versa. 2773Files marked with other flags (such as `D') are not affected. 2774`.' and `..' are never toggled. 2775As always, hidden subdirs are not affected." 2776 (interactive) 2777 (save-excursion 2778 (goto-char (point-min)) 2779 (let (buffer-read-only) 2780 (while (not (eobp)) 2781 (or (dired-between-files) 2782 (looking-at dired-re-dot) 2783 ;; use subst instead of insdel because it does not move 2784 ;; the gap and thus should be faster and because 2785 ;; other characters are left alone automatically 2786 (apply 'subst-char-in-region 2787 (point) (1+ (point)) 2788 (if (eq ?\040 (following-char)) ; SPC 2789 (list ?\040 dired-marker-char) 2790 (list dired-marker-char ?\040)))) 2791 (forward-line 1))))) 2792 2793;;; Commands to mark or flag files based on their characteristics or names. 2794 2795(defvar dired-regexp-history nil 2796 "History list of regular expressions used in Dired commands.") 2797 2798(defun dired-read-regexp (prompt) 2799 (read-from-minibuffer prompt nil nil nil 'dired-regexp-history)) 2800 2801(defun dired-mark-files-regexp (regexp &optional marker-char) 2802 "Mark all files matching REGEXP for use in later commands. 2803A prefix argument means to unmark them instead. 2804`.' and `..' are never marked. 2805 2806REGEXP is an Emacs regexp, not a shell wildcard. Thus, use `\\.o$' for 2807object files--just `.o' will mark more than you might think." 2808 (interactive 2809 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark") 2810 " files (regexp): ")) 2811 (if current-prefix-arg ?\040))) 2812 (let ((dired-marker-char (or marker-char dired-marker-char))) 2813 (dired-mark-if 2814 (and (not (looking-at dired-re-dot)) 2815 (not (eolp)) ; empty line 2816 (let ((fn (dired-get-filename nil t))) 2817 (and fn (string-match regexp (file-name-nondirectory fn))))) 2818 "matching file"))) 2819 2820(defun dired-mark-files-containing-regexp (regexp &optional marker-char) 2821 "Mark all files with contents containing REGEXP for use in later commands. 2822A prefix argument means to unmark them instead. 2823`.' and `..' are never marked." 2824 (interactive 2825 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark") 2826 " files containing (regexp): ")) 2827 (if current-prefix-arg ?\040))) 2828 (let ((dired-marker-char (or marker-char dired-marker-char))) 2829 (dired-mark-if 2830 (and (not (looking-at dired-re-dot)) 2831 (not (eolp)) ; empty line 2832 (let ((fn (dired-get-filename nil t))) 2833 (when (and fn (file-readable-p fn) 2834 (not (file-directory-p fn))) 2835 (let ((prebuf (get-file-buffer fn))) 2836 (message "Checking %s" fn) 2837 ;; For now we do it inside emacs 2838 ;; Grep might be better if there are a lot of files 2839 (if prebuf 2840 (with-current-buffer prebuf 2841 (save-excursion 2842 (goto-char (point-min)) 2843 (re-search-forward regexp nil t))) 2844 (with-temp-buffer 2845 (insert-file-contents fn) 2846 (goto-char (point-min)) 2847 (re-search-forward regexp nil t)))) 2848 ))) 2849 "matching file"))) 2850 2851(defun dired-flag-files-regexp (regexp) 2852 "In Dired, flag all files containing the specified REGEXP for deletion. 2853The match is against the non-directory part of the filename. Use `^' 2854 and `$' to anchor matches. Exclude subdirs by hiding them. 2855`.' and `..' are never flagged." 2856 (interactive (list (dired-read-regexp "Flag for deletion (regexp): "))) 2857 (dired-mark-files-regexp regexp dired-del-marker)) 2858 2859(defun dired-mark-symlinks (unflag-p) 2860 "Mark all symbolic links. 2861With prefix argument, unflag all those files." 2862 (interactive "P") 2863 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) 2864 (dired-mark-if (looking-at dired-re-sym) "symbolic link"))) 2865 2866(defun dired-mark-directories (unflag-p) 2867 "Mark all directory file lines except `.' and `..'. 2868With prefix argument, unflag all those files." 2869 (interactive "P") 2870 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) 2871 (dired-mark-if (and (looking-at dired-re-dir) 2872 (not (looking-at dired-re-dot))) 2873 "directory file"))) 2874 2875(defun dired-mark-executables (unflag-p) 2876 "Mark all executable files. 2877With prefix argument, unflag all those files." 2878 (interactive "P") 2879 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) 2880 (dired-mark-if (looking-at dired-re-exe) "executable file"))) 2881 2882;; dired-x.el has a dired-mark-sexp interactive command: mark 2883;; files for which PREDICATE returns non-nil. 2884 2885(defun dired-flag-auto-save-files (&optional unflag-p) 2886 "Flag for deletion files whose names suggest they are auto save files. 2887A prefix argument says to unflag those files instead." 2888 (interactive "P") 2889 (let ((dired-marker-char (if unflag-p ?\040 dired-del-marker))) 2890 (dired-mark-if 2891 ;; It is less than general to check for # here, 2892 ;; but it's the only way this runs fast enough. 2893 (and (save-excursion (end-of-line) 2894 (or 2895 (eq (preceding-char) ?#) 2896 ;; Handle executables in case of -F option. 2897 ;; We need not worry about the other kinds 2898 ;; of markings that -F makes, since they won't 2899 ;; appear on real auto-save files. 2900 (if (eq (preceding-char) ?*) 2901 (progn 2902 (forward-char -1) 2903 (eq (preceding-char) ?#))))) 2904 (not (looking-at dired-re-dir)) 2905 (let ((fn (dired-get-filename t t))) 2906 (if fn (auto-save-file-name-p 2907 (file-name-nondirectory fn))))) 2908 "auto save file"))) 2909 2910(defcustom dired-garbage-files-regexp 2911 ;; `log' here is dubious, since it's typically used for useful log 2912 ;; files, not just TeX stuff. -- fx 2913 (concat (regexp-opt 2914 '(".log" ".toc" ".dvi" ".bak" ".orig" ".rej" ".aux")) 2915 "\\'") 2916 "Regular expression to match \"garbage\" files for `dired-flag-garbage-files'." 2917 :type 'regexp 2918 :group 'dired) 2919 2920(defun dired-flag-garbage-files () 2921 "Flag for deletion all files that match `dired-garbage-files-regexp'." 2922 (interactive) 2923 (dired-flag-files-regexp dired-garbage-files-regexp)) 2924 2925(defun dired-flag-backup-files (&optional unflag-p) 2926 "Flag all backup files (names ending with `~') for deletion. 2927With prefix argument, unflag these files." 2928 (interactive "P") 2929 (let ((dired-marker-char (if unflag-p ?\s dired-del-marker))) 2930 (dired-mark-if 2931 ;; Don't call backup-file-name-p unless the last character looks like 2932 ;; it might be the end of a backup file name. This isn't very general, 2933 ;; but it's the only way this runs fast enough. 2934 (and (save-excursion (end-of-line) 2935 ;; Handle executables in case of -F option. 2936 ;; We need not worry about the other kinds 2937 ;; of markings that -F makes, since they won't 2938 ;; appear on real backup files. 2939 (if (eq (preceding-char) ?*) 2940 (forward-char -1)) 2941 (eq (preceding-char) ?~)) 2942 (not (looking-at dired-re-dir)) 2943 (let ((fn (dired-get-filename t t))) 2944 (if fn (backup-file-name-p fn)))) 2945 "backup file"))) 2946 2947(defun dired-change-marks (&optional old new) 2948 "Change all OLD marks to NEW marks. 2949OLD and NEW are both characters used to mark files." 2950 (interactive 2951 (let* ((cursor-in-echo-area t) 2952 (old (progn (message "Change (old mark): ") (read-char))) 2953 (new (progn (message "Change %c marks to (new mark): " old) 2954 (read-char)))) 2955 (list old new))) 2956 (if (or (eq old ?\r) (eq new ?\r)) 2957 (ding) 2958 (let ((string (format "\n%c" old)) 2959 (buffer-read-only)) 2960 (save-excursion 2961 (goto-char (point-min)) 2962 (while (search-forward string nil t) 2963 (if (if (= old ?\s) 2964 (save-match-data 2965 (dired-get-filename 'no-dir t)) 2966 t) 2967 (subst-char-in-region (match-beginning 0) 2968 (match-end 0) old new))))))) 2969 2970(defun dired-unmark-all-marks () 2971 "Remove all marks from all files in the dired buffer." 2972 (interactive) 2973 (dired-unmark-all-files ?\r)) 2974 2975(defun dired-unmark-all-files (mark &optional arg) 2976 "Remove a specific mark (or any mark) from every file. 2977After this command, type the mark character to remove, 2978or type RET to remove all marks. 2979With prefix arg, query for each marked file. 2980Type \\[help-command] at that time for help." 2981 (interactive "cRemove marks (RET means all): \nP") 2982 (save-excursion 2983 (let* ((count 0) 2984 buffer-read-only case-fold-search query 2985 (string (format "\n%c" mark)) 2986 (help-form "\ 2987Type SPC or `y' to unmark one file, DEL or `n' to skip to next, 2988`!' to unmark all remaining files with no more questions.")) 2989 (goto-char (point-min)) 2990 (while (if (eq mark ?\r) 2991 (re-search-forward dired-re-mark nil t) 2992 (search-forward string nil t)) 2993 (if (or (not arg) 2994 (let ((file (dired-get-filename t t))) 2995 (and file 2996 (dired-query 'query "Unmark file `%s'? " 2997 file)))) 2998 (progn (subst-char-in-region (1- (point)) (point) 2999 (preceding-char) ?\s) 3000 (setq count (1+ count))))) 3001 (message (if (= count 1) "1 mark removed" 3002 "%d marks removed") 3003 count)))) 3004 3005;; Logging failures operating on files, and showing the results. 3006 3007(defvar dired-log-buffer "*Dired log*") 3008 3009(defun dired-why () 3010 "Pop up a buffer with error log output from Dired. 3011A group of errors from a single command ends with a formfeed. 3012Thus, use \\[backward-page] to find the beginning of a group of errors." 3013 (interactive) 3014 (if (get-buffer dired-log-buffer) 3015 (let ((owindow (selected-window)) 3016 (window (display-buffer (get-buffer dired-log-buffer)))) 3017 (unwind-protect 3018 (progn 3019 (select-window window) 3020 (goto-char (point-max)) 3021 (forward-line -1) 3022 (backward-page 1) 3023 (recenter 0)) 3024 (select-window owindow))))) 3025 3026(defun dired-log (log &rest args) 3027 ;; Log a message or the contents of a buffer. 3028 ;; If LOG is a string and there are more args, it is formatted with 3029 ;; those ARGS. Usually the LOG string ends with a \n. 3030 ;; End each bunch of errors with (dired-log t): 3031 ;; this inserts the current time and buffer at the start of the page, 3032 ;; and \f (formfeed) at the end. 3033 (let ((obuf (current-buffer))) 3034 (with-current-buffer (get-buffer-create dired-log-buffer) 3035 (goto-char (point-max)) 3036 (let ((inhibit-read-only t)) 3037 (cond ((stringp log) 3038 (insert (if args 3039 (apply (function format) log args) 3040 log))) 3041 ((bufferp log) 3042 (insert-buffer-substring log)) 3043 ((eq t log) 3044 (backward-page 1) 3045 (unless (bolp) 3046 (insert "\n")) 3047 (insert (current-time-string) 3048 "\tBuffer `" (buffer-name obuf) "'\n") 3049 (goto-char (point-max)) 3050 (insert "\f\n"))))))) 3051 3052(defun dired-log-summary (string failures) 3053 "State a summary of a command's failures, in echo area and log buffer. 3054STRING is an overall summary of the failures. 3055FAILURES is a list of file names that we failed to operate on, 3056or nil if file names are not applicable." 3057 (if (= (length failures) 1) 3058 (message "%s" 3059 (with-current-buffer dired-log-buffer 3060 (goto-char (point-max)) 3061 (backward-page 1) 3062 (if (eolp) (forward-line 1)) 3063 (buffer-substring (point) (point-max)))) 3064 (message (if failures "%s--type ? for details (%s)" 3065 "%s--type ? for details") 3066 string failures)) 3067 ;; Log a summary describing a bunch of errors. 3068 (dired-log (concat "\n" string "\n")) 3069 (dired-log t)) 3070 3071;;; Sorting 3072 3073;; Most ls can only sort by name or by date (with -t), nothing else. 3074;; GNU ls sorts on size with -S, on extension with -X, and unsorted with -U. 3075;; So anything that does not contain these is sort "by name". 3076 3077(defvar dired-ls-sorting-switches "SXU" 3078 "String of `ls' switches \(single letters\) except \"t\" that influence sorting. 3079 3080This indicates to Dired which option switches to watch out for because they 3081will change the sorting order behavior of `ls'. 3082 3083To change the default sorting order \(e.g. add a `-v' option\), see the 3084variable `dired-listing-switches'. To temporarily override the listing 3085format, use `\\[universal-argument] \\[dired]'.") 3086 3087(defvar dired-sort-by-date-regexp 3088 (concat "^-[^" dired-ls-sorting-switches 3089 "]*t[^" dired-ls-sorting-switches "]*$") 3090 "Regexp recognized by Dired to set `by date' mode.") 3091 3092(defvar dired-sort-by-name-regexp 3093 (concat "^-[^t" dired-ls-sorting-switches "]+$") 3094 "Regexp recognized by Dired to set `by name' mode.") 3095 3096(defvar dired-sort-inhibit nil 3097 "Non-nil means the Dired sort command is disabled. 3098The idea is to set this buffer-locally in special dired buffers.") 3099 3100(defun dired-sort-set-modeline () 3101 ;; Set modeline display according to dired-actual-switches. 3102 ;; Modeline display of "by name" or "by date" guarantees the user a 3103 ;; match with the corresponding regexps. Non-matching switches are 3104 ;; shown literally. 3105 (when (eq major-mode 'dired-mode) 3106 (setq mode-name 3107 (let (case-fold-search) 3108 (cond ((string-match 3109 dired-sort-by-name-regexp dired-actual-switches) 3110 "Dired by name") 3111 ((string-match 3112 dired-sort-by-date-regexp dired-actual-switches) 3113 "Dired by date") 3114 (t 3115 (concat "Dired " dired-actual-switches))))) 3116 (force-mode-line-update))) 3117 3118(defun dired-sort-toggle-or-edit (&optional arg) 3119 "Toggle between sort by date/name and refresh the dired buffer. 3120With a prefix argument you can edit the current listing switches instead." 3121 (interactive "P") 3122 (when dired-sort-inhibit 3123 (error "Cannot sort this dired buffer")) 3124 (if arg 3125 (dired-sort-other 3126 (read-string "ls switches (must contain -l): " dired-actual-switches)) 3127 (dired-sort-toggle))) 3128 3129(defun dired-sort-toggle () 3130 ;; Toggle between sort by date/name. Reverts the buffer. 3131 (setq dired-actual-switches 3132 (let (case-fold-search) 3133 (if (string-match " " dired-actual-switches) 3134 ;; New toggle scheme: add/remove a trailing " -t" 3135 (if (string-match " -t\\'" dired-actual-switches) 3136 (substring dired-actual-switches 0 (match-beginning 0)) 3137 (concat dired-actual-switches " -t")) 3138 ;; old toggle scheme: look for some 't' switch and add/remove it 3139 (concat 3140 "-l" 3141 (dired-replace-in-string (concat "[-lt" 3142 dired-ls-sorting-switches "]") 3143 "" 3144 dired-actual-switches) 3145 (if (string-match (concat "[t" dired-ls-sorting-switches "]") 3146 dired-actual-switches) 3147 "" 3148 "t"))))) 3149 (dired-sort-set-modeline) 3150 (revert-buffer)) 3151 3152;; Some user code loads dired especially for this. 3153;; Don't do that--use replace-regexp-in-string instead. 3154(defun dired-replace-in-string (regexp newtext string) 3155 ;; Replace REGEXP with NEWTEXT everywhere in STRING and return result. 3156 ;; NEWTEXT is taken literally---no \\DIGIT escapes will be recognized. 3157 (let ((result "") (start 0) mb me) 3158 (while (string-match regexp string start) 3159 (setq mb (match-beginning 0) 3160 me (match-end 0) 3161 result (concat result (substring string start mb) newtext) 3162 start me)) 3163 (concat result (substring string start)))) 3164 3165(defun dired-sort-other (switches &optional no-revert) 3166 "Specify new `ls' SWITCHES for current dired buffer. 3167Values matching `dired-sort-by-date-regexp' or `dired-sort-by-name-regexp' 3168set the minor mode accordingly, others appear literally in the mode line. 3169With optional second arg NO-REVERT, don't refresh the listing afterwards." 3170 (dired-sort-R-check switches) 3171 (setq dired-actual-switches switches) 3172 (dired-sort-set-modeline) 3173 (or no-revert (revert-buffer))) 3174 3175(defvar dired-subdir-alist-pre-R nil 3176 "Value of `dired-subdir-alist' before -R switch added.") 3177(make-variable-buffer-local 'dired-subdir-alist-pre-R) 3178 3179(defun dired-sort-R-check (switches) 3180 "Additional processing of -R in ls option string SWITCHES. 3181Saves `dired-subdir-alist' when R is set and restores saved value 3182minus any directories explicitly deleted when R is cleared. 3183To be called first in body of `dired-sort-other', etc." 3184 (cond 3185 ((and (string-match "R" switches) 3186 (not (string-match "R" dired-actual-switches))) 3187 ;; Adding -R to ls switches -- save `dired-subdir-alist': 3188 (setq dired-subdir-alist-pre-R dired-subdir-alist)) 3189 ((and (string-match "R" dired-actual-switches) 3190 (not (string-match "R" switches))) 3191 ;; Deleting -R from ls switches -- revert to pre-R subdirs 3192 ;; that are still present: 3193 (setq dired-subdir-alist 3194 (if dired-subdir-alist-pre-R 3195 (let (subdirs) 3196 (while dired-subdir-alist-pre-R 3197 (if (assoc (caar dired-subdir-alist-pre-R) 3198 dired-subdir-alist) 3199 ;; subdir still present... 3200 (setq subdirs 3201 (cons (car dired-subdir-alist-pre-R) 3202 subdirs))) 3203 (setq dired-subdir-alist-pre-R 3204 (cdr dired-subdir-alist-pre-R))) 3205 (reverse subdirs)) 3206 ;; No pre-R subdir alist, so revert to main directory 3207 ;; listing: 3208 (list (car (reverse dired-subdir-alist)))))))) 3209 3210 3211;;;; Drag and drop support 3212 3213(defcustom dired-recursive-copies nil 3214 "*Decide whether recursive copies are allowed. 3215A value of nil means no recursive copies. 3216`always' means copy recursively without asking. 3217`top' means ask for each directory at top level. 3218Anything else means ask for each directory." 3219 :type '(choice :tag "Copy directories" 3220 (const :tag "No recursive copies" nil) 3221 (const :tag "Ask for each directory" t) 3222 (const :tag "Ask for each top directory only" top) 3223 (const :tag "Copy directories without asking" always)) 3224 :group 'dired) 3225 3226(defun dired-dnd-popup-notice () 3227 (message-box 3228 "Recursive copies not enabled.\nSee variable dired-recursive-copies.")) 3229 3230 3231(defun dired-dnd-do-ask-action (uri) 3232 ;; No need to get actions and descriptions from the source, 3233 ;; we only have three actions anyway. 3234 (let ((action (x-popup-menu 3235 t 3236 (list "What action?" 3237 (cons "" 3238 '(("Copy here" . copy) 3239 ("Move here" . move) 3240 ("Link here" . link) 3241 "--" 3242 ("Cancel" . nil))))))) 3243 (if action 3244 (dired-dnd-handle-local-file uri action) 3245 nil))) 3246 3247(defun dired-dnd-handle-local-file (uri action) 3248 "Copy, move or link a file to the dired directory. 3249URI is the file to handle, ACTION is one of copy, move, link or ask. 3250Ask means pop up a menu for the user to select one of copy, move or link." 3251 (require 'dired-aux) 3252 (let* ((from (dnd-get-local-file-name uri t)) 3253 (to (if from (concat (dired-current-directory) 3254 (file-name-nondirectory from)) 3255 nil))) 3256 (if from 3257 (cond ((or (eq action 'copy) 3258 (eq action 'private)) ; Treat private as copy. 3259 3260 ;; If copying a directory and dired-recursive-copies is nil, 3261 ;; dired-copy-file silently fails. Pop up a notice. 3262 (if (and (file-directory-p from) 3263 (not dired-recursive-copies)) 3264 (dired-dnd-popup-notice) 3265 (progn 3266 (dired-copy-file from to 1) 3267 (dired-relist-entry to) 3268 action))) 3269 3270 ((eq action 'move) 3271 (dired-rename-file from to 1) 3272 (dired-relist-entry to) 3273 action) 3274 3275 ((eq action 'link) 3276 (make-symbolic-link from to 1) 3277 (dired-relist-entry to) 3278 action) 3279 3280 ((eq action 'ask) 3281 (dired-dnd-do-ask-action uri)) 3282 3283 (t nil))))) 3284 3285(defun dired-dnd-handle-file (uri action) 3286 "Copy, move or link a file to the dired directory if it is a local file. 3287URI is the file to handle. If the hostname in the URI isn't local, do nothing. 3288ACTION is one of copy, move, link or ask. 3289Ask means pop up a menu for the user to select one of copy, move or link." 3290 (let ((local-file (dnd-get-local-file-uri uri))) 3291 (if local-file (dired-dnd-handle-local-file local-file action) 3292 nil))) 3293 3294 3295;;;; Desktop support 3296 3297(eval-when-compile (require 'desktop)) 3298 3299(defun dired-desktop-buffer-misc-data (desktop-dirname) 3300 "Auxiliary information to be saved in desktop file." 3301 (cons 3302 ;; Value of `dired-directory'. 3303 (if (consp dired-directory) 3304 ;; Directory name followed by list of files. 3305 (cons (desktop-file-name (car dired-directory) desktop-dirname) 3306 (cdr dired-directory)) 3307 ;; Directory name, optionally with shell wildcard. 3308 (desktop-file-name dired-directory desktop-dirname)) 3309 ;; Subdirectories in `dired-subdir-alist'. 3310 (cdr 3311 (nreverse 3312 (mapcar 3313 (function (lambda (f) (desktop-file-name (car f) desktop-dirname))) 3314 dired-subdir-alist))))) 3315 3316(defun dired-restore-desktop-buffer (desktop-buffer-file-name 3317 desktop-buffer-name 3318 desktop-buffer-misc) 3319 "Restore a dired buffer specified in a desktop file." 3320 ;; First element of `desktop-buffer-misc' is the value of `dired-directory'. 3321 ;; This value is a directory name, optionally with shell wildcard or 3322 ;; a directory name followed by list of files. 3323 (let* ((dired-dir (car desktop-buffer-misc)) 3324 (dir (if (consp dired-dir) (car dired-dir) dired-dir))) 3325 (if (file-directory-p (file-name-directory dir)) 3326 (progn 3327 (dired dired-dir) 3328 ;; The following elements of `desktop-buffer-misc' are the keys 3329 ;; from `dired-subdir-alist'. 3330 (mapcar 'dired-maybe-insert-subdir (cdr desktop-buffer-misc)) 3331 (current-buffer)) 3332 (message "Desktop: Directory %s no longer exists." dir) 3333 (when desktop-missing-file-warning (sit-for 1)) 3334 nil))) 3335 3336(add-to-list 'desktop-buffer-mode-handlers 3337 '(dired-mode . dired-restore-desktop-buffer)) 3338 3339 3340(if (eq system-type 'vax-vms) 3341 (load "dired-vms")) 3342 3343(provide 'dired) 3344 3345(run-hooks 'dired-load-hook) ; for your customizations 3346 3347;; arch-tag: e1af7a8f-691c-41a0-aac1-ddd4d3c87517 3348;;; dired.el ends here 3349