1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1982-2012 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* David Korn <dgk@research.att.com> * 18* * 19***********************************************************************/ 20#pragma prototyped 21 22 23#include "defs.h" 24#include "shtable.h" 25#include <signal.h> 26#include "ulimit.h" 27#include "name.h" 28#include "version.h" 29#if KSHELL 30# include "builtins.h" 31# include "jobs.h" 32# include "FEATURE/cmds" 33# define bltin(x) (b_##x) 34 /* The following is for builtins that do not accept -- options */ 35# define Bltin(x) (B_##x) 36#else 37# define bltin(x) 0 38#endif 39 40#ifndef SHOPT_CMDLIB_DIR 41# define SHOPT_CMDLIB_DIR SH_CMDLIB_DIR 42#else 43# ifndef SHOPT_CMDLIB_HDR 44# define SHOPT_CMDLIB_HDR <cmdlist.h> 45# endif 46#endif 47 48#define Q(f) #f /* libpp cpp workaround -- fixed 2005-04-11 */ 49#define CMDLIST(f) SH_CMDLIB_DIR "/" Q(f), NV_BLTIN|NV_BLTINOPT|NV_NOFREE, bltin(f), 50 51#undef basename 52#undef dirname 53 54/* 55 * The order up through "[" is significant 56 */ 57const struct shtable3 shtab_builtins[] = 58{ 59 "login", NV_BLTIN|BLT_ENV|BLT_SPC, Bltin(login), 60 "exec", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(exec), 61 "set", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(set), 62 ":", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(true), 63 "true", NV_BLTIN|BLT_ENV, bltin(true), 64 "command", NV_BLTIN|BLT_ENV|BLT_EXIT, bltin(command), 65 "cd", NV_BLTIN|BLT_ENV, bltin(cd), 66 "break", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(break), 67 "continue", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(break), 68 "typeset", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_DCL,bltin(typeset), 69 "test", NV_BLTIN|BLT_ENV, bltin(test), 70 "[", NV_BLTIN|BLT_ENV, bltin(test), 71 "let", NV_BLTIN|BLT_ENV, bltin(let), 72 "export", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_DCL,bltin(readonly), 73 ".", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(dot_cmd), 74 "return", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(return), 75#if SHOPT_BASH 76 "local", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_DCL,bltin(typeset), 77#endif 78#if _bin_newgrp || _usr_bin_newgrp 79 "newgrp", NV_BLTIN|BLT_ENV|BLT_SPC, Bltin(login), 80#endif /* _bin_newgrp || _usr_bin_newgrp */ 81 "alias", NV_BLTIN|BLT_SPC, bltin(alias), 82 "hash", NV_BLTIN|BLT_SPC, bltin(alias), 83 "enum", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_DCL,bltin(enum), 84 "eval", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_EXIT,bltin(eval), 85 "exit", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(return), 86 "fc", NV_BLTIN|BLT_ENV|BLT_EXIT, bltin(hist), 87 "hist", NV_BLTIN|BLT_ENV|BLT_EXIT, bltin(hist), 88 "readonly", NV_BLTIN|BLT_ENV|BLT_SPC|BLT_DCL,bltin(readonly), 89 "shift", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(shift), 90 "trap", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(trap), 91 "unalias", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(unalias), 92 "unset", NV_BLTIN|BLT_ENV|BLT_SPC, bltin(unset), 93 "builtin", NV_BLTIN, bltin(builtin), 94#if SHOPT_ECHOPRINT 95 "echo", NV_BLTIN|BLT_ENV, bltin(print), 96#else 97 "echo", NV_BLTIN|BLT_ENV, Bltin(echo), 98#endif /* SHOPT_ECHOPRINT */ 99#ifdef JOBS 100# ifdef SIGTSTP 101 "bg", NV_BLTIN|BLT_ENV, bltin(bg), 102 "fg", NV_BLTIN|BLT_ENV|BLT_EXIT, bltin(bg), 103 "disown", NV_BLTIN|BLT_ENV, bltin(bg), 104 "kill", NV_BLTIN|BLT_ENV, bltin(kill), 105# else 106 "/bin/kill", NV_BLTIN|BLT_ENV, bltin(kill), 107# endif /* SIGTSTP */ 108 "jobs", NV_BLTIN|BLT_ENV, bltin(jobs), 109#endif /* JOBS */ 110 "false", NV_BLTIN|BLT_ENV, bltin(false), 111 "getopts", NV_BLTIN|BLT_ENV, bltin(getopts), 112 "print", NV_BLTIN|BLT_ENV, bltin(print), 113 "printf", NV_BLTIN|BLT_ENV, bltin(printf), 114 "pwd", NV_BLTIN, bltin(pwd), 115 "read", NV_BLTIN|BLT_ENV, bltin(read), 116 "sleep", NV_BLTIN, bltin(sleep), 117 "alarm", NV_BLTIN, bltin(alarm), 118 "ulimit", NV_BLTIN|BLT_ENV, bltin(ulimit), 119 "umask", NV_BLTIN|BLT_ENV, bltin(umask), 120#ifdef _cmd_universe 121 "universe", NV_BLTIN|BLT_ENV, bltin(universe), 122#endif /* _cmd_universe */ 123#if SHOPT_FS_3D 124 "vpath", NV_BLTIN|BLT_ENV, bltin(vpath), 125 "vmap", NV_BLTIN|BLT_ENV, bltin(vpath), 126#endif /* SHOPT_FS_3D */ 127 "wait", NV_BLTIN|BLT_ENV|BLT_EXIT, bltin(wait), 128 "type", NV_BLTIN|BLT_ENV, bltin(whence), 129 "whence", NV_BLTIN|BLT_ENV, bltin(whence), 130#ifdef SHOPT_CMDLIB_HDR 131#undef mktemp /* undo possible map-libc mktemp => _ast_mktemp */ 132#include SHOPT_CMDLIB_HDR 133#else 134 CMDLIST(basename) 135 CMDLIST(chmod) 136 CMDLIST(dirname) 137 CMDLIST(getconf) 138 CMDLIST(head) 139 CMDLIST(mkdir) 140 CMDLIST(logname) 141 CMDLIST(cat) 142 CMDLIST(cmp) 143 CMDLIST(cut) 144 CMDLIST(uname) 145 CMDLIST(wc) 146 CMDLIST(sync) 147#endif 148#if SHOPT_REGRESS 149 "__regress__", NV_BLTIN|BLT_ENV, bltin(__regress__), 150#endif 151 "", 0, 0 152}; 153 154#if SHOPT_COSHELL 155# define _JOB_ "[+?Each \ajob\a can be specified as one of the following:]{" \ 156 "[+\anumber\a?\anumber\a refers to a process id.]" \ 157 "[+-\anumber\a?\anumber\a refers to a process group id.]" \ 158 "[+\apool\a.\anum\a?refers to job \anum\a in background pool named \apool\a.]" \ 159 "[+\apool\a?refers to all jobs in background pool named \apool\a.]" \ 160 "[+%\anumber\a?\anumber\a refer to a job number.]" \ 161 "[+%\astring\a?Refers to a job whose name begins with \astring\a.]" \ 162 "[+%??\astring\a?Refers to a job whose name contains \astring\a.]" \ 163 "[+%+ \bor\b %%?Refers to the current job.]" \ 164 "[+%-?Refers to the previous job.]" \ 165 "}" 166#else 167# define _JOB_ "[+?Each \ajob\a can be specified as one of the following:]{" \ 168 "[+\anumber\a?\anumber\a refers to a process id.]" \ 169 "[+-\anumber\a?\anumber\a refers to a process group id.]" \ 170 "[+%\anumber\a?\anumber\a refer to a job number.]" \ 171 "[+%\astring\a?Refers to a job whose name begins with \astring\a.]" \ 172 "[+%??\astring\a?Refers to a job whose name contains \astring\a.]" \ 173 "[+%+ \bor\b %%?Refers to the current job.]" \ 174 "[+%-?Refers to the previous job.]" \ 175 "}" 176#endif 177 178 179const char sh_set[] = 180"[a?Set the export attribute for each variable whose name does not " 181 "contain a \b.\b that you assign a value in the current shell " 182 "environment.]" 183"[b?The shell writes a message to standard error as soon it detects that " 184 "a background job completes rather than waiting until the next prompt.]" 185"[e?A simple command that has an non-zero exit status will cause the shell " 186 "to exit unless the simple command is:]{" 187 "[++?contained in an \b&&\b or \b||\b list.]" 188 "[++?the command immediately following \bif\b, \bwhile\b, or \buntil\b.]" 189 "[++?contained in the pipeline following \b!\b.]" 190"}" 191"[f?Pathname expansion is disabled.]" 192"[h?Obsolete. Causes each command whose name has the syntax of an " 193 "alias to become a tracked alias when it is first encountered.]" 194"[k?This is obsolete. All arguments of the form \aname\a\b=\b\avalue\a " 195 "are removed and placed in the variable assignment list for " 196 "the command. Ordinarily, variable assignments must precede " 197 "command arguments.]" 198"[m?When enabled, the shell runs background jobs in a separate process " 199 "group and displays a line upon completion. This mode is enabled " 200 "by default for interactive shells on systems that support job " 201 "control.]" 202"[n?The shell reads commands and checks for syntax errors, but does " 203 "not execute the command. Usually specified on command invocation.]" 204"[o]:?[option?If \aoption\a is not specified, the list of options and " 205 "their current settings will be written to standard output. When " 206 "invoked with a \b+\b the options will be written in a format " 207 "that can be reinput to the shell to restore the settings. " 208 "Options \b-o\b \aname\a can also be specified with \b--\b\aname\a " 209 "and \b+o \aname\a can be specifed with \b--no\b\aname\a except that " 210 "options names beginning with \bno\b are turned on by omitting \bno\b." 211 "This option can be repeated to enable/disable multiple options. " 212 "The value of \aoption\a must be one of the following:]{" 213 "[+allexport?Equivalent to \b-a\b.]" 214 "[+bgnice?Runs background jobs at lower priorities.]" 215 "[+braceexpand?Equivalent to \b-B\b.] " 216 "[+emacs?Enables/disables \bemacs\b editing mode.]" 217 "[+errexit?Equivalent to \b-e\b.]" 218 "[+globstar?Equivalent to \b-G\b.]" 219 "[+gmacs?Enables/disables \bgmacs\b editing mode. \bgmacs\b " 220 "editing mode is the same as \bemacs\b editing mode " 221 "except for the handling of \b^T\b.]" 222#if SHOPT_BASH 223 "[+hashall?Equivalent to \b-h\b and \b-o trackall\b. Available " 224 "in bash compatibility mode only.]" 225 "[+history?Enable command history. Available in bash " 226 "compatibility mode only. On by default in interactive " 227 "shells.]" 228#endif 229#if SHOPT_HISTEXPAND 230 "[+histexpand?Equivalent to \b-H\b.]" 231#endif 232 "[+ignoreeof?Prevents an interactive shell from exiting on " 233 "reading an end-of-file.]" 234 "[+keyword?Equivalent to \b-k\b.]" 235 "[+letoctal?The \blet\b builtin recognizes octal constants " 236 "with leading 0.]" 237 "[+markdirs?A trailing \b/\b is appended to directories " 238 "resulting from pathname expansion.]" 239 "[+monitor?Equivalent to \b-m\b.]" 240 "[+multiline?Use multiple lines when editing lines that are " 241 "longer than the window width.]" 242 "[+noclobber?Equivalent to \b-C\b.]" 243 "[+noexec?Equivalent to \b-n\b.]" 244 "[+noglob?Equivalent to \b-f\b.]" 245 "[+nolog?This has no effect. It is provided for backward " 246 "compatibility.]" 247 "[+notify?Equivalent to \b-b\b.]" 248 "[+nounset?Equivalent to \b-u\b.]" 249#if SHOPT_BASH 250 "[+onecmd?Equivalent to \b-t\b. Available in bash compatibility " 251 "mode only.]" 252 "[+physical?Equivalent to \b-P\b. Available in bash " 253 "compatibility mode only.]" 254 "[+posix?Turn on POSIX compatibility. Available in bash " 255 "compatibility mode only. Bash in POSIX mode is not the " 256 "same as ksh.]" 257#endif 258 "[+pipefail?A pipeline will not complete until all components " 259 "of the pipeline have completed, and the exit status " 260 "of the pipeline will be the value of the last " 261 "command to exit with non-zero exit status, or will " 262 "be zero if all commands return zero exit status.]" 263 "[+privileged?Equivalent to \b-p\b.]" 264 "[+rc?Do not run the \b.kshrc\b file for interactive shells.]" 265 "[+showme?Simple commands preceded by a \b;\b will be traced " 266 "as if \b-x\b were enabled but not executed.]" 267 "[+trackall?Equivalent to \b-h\b.]" 268 "[+verbose?Equivalent to \b-v\b.]" 269 "[+vi?Enables/disables \bvi\b editing mode.]" 270 "[+viraw?Does not use canonical input mode when using \bvi\b " 271 "edit mode.]" 272 "[+xtrace?Equivalent to \b-x\b.]" 273"}" 274"[p?Privileged mode. Disabling \b-p\b sets the effective user id to the " 275 "real user id, and the effective group id to the real group id. " 276 "Enabling \b-p\b restores the effective user and group ids to their " 277 "values when the shell was invoked. The \b-p\b option is on " 278 "whenever the real and effective user id is not equal or the " 279 "real and effective group id is not equal. User profiles are " 280 "not processed when \b-p\b is enabled.]" 281"[r?restricted. Enables restricted shell. This option cannot be unset once " 282 "enabled.]" 283"[t?Obsolete. The shell reads one command and then exits.]" 284"[u?If enabled, the shell displays an error message when it tries to expand " 285 "a variable that is unset.]" 286"[v?Verbose. The shell displays its input onto standard error as it " 287 "reads it.]" 288"[x?Execution trace. The shell will display each command after all " 289 "expansion and before execution preceded by the expanded value " 290 "of the \bPS4\b parameter.]" 291#if SHOPT_BASH 292 "\fbash1\f" 293#endif 294#if SHOPT_BRACEPAT 295"[B?Enable {...} group expansion. On by default.]" 296#endif 297"[C?Prevents existing regular files from being overwritten using the \b>\b " 298 "redirection operator. The \b>|\b redirection overrides this " 299 "\bnoclobber\b option.]" 300"[G?Causes \b**\b by itself to also match all sub-directories during pathname " 301 "expansion.]" 302#if SHOPT_HISTEXPAND 303 "[H?Enable \b!\b-style history expansion similar to \bcsh\b.]" 304#endif 305; 306 307const char sh_optbreak[] = 308"[-1c?\n@(#)$Id: break (AT&T Research) 1999-04-07 $\n]" 309USAGE_LICENSE 310"[+NAME?break - break out of loop ]" 311"[+DESCRIPTION?\bbreak\b is a shell special built-in that exits the " 312 "smallest enclosing \bfor\b, \bselect\b, \bwhile\b, or \buntil\b loop, " 313 "or the \an\a-th enclosing loop if \an\a is specified. " 314 "Execution continues at the command following the loop(s).]" 315"[+?If \an\a is given, it must be a positive integer >= 1. If \an\a " 316 "is larger than the number of enclosing loops, the last enclosing " 317 "loop will be exited.]" 318"\n" 319"\n[n]\n" 320"\n" 321"[+EXIT STATUS?0]" 322"[+SEE ALSO?\bcontinue\b(1), \breturn\b(1)]" 323; 324 325const char sh_optcont[] = 326"[-1c?\n@(#)$Id: continue (AT&T Research) 1999-04-07 $\n]" 327USAGE_LICENSE 328"[+NAME?continue - continue execution at top of the loop]" 329"[+DESCRIPTION?\bcontinue\b is a shell special built-in that continues " 330 "execution at the top of smallest enclosing enclosing \bfor\b, " 331 "\bselect\b, \bwhile\b, or \buntil\b loop, if any; or the top of " 332 "the \an\a-th enclosing loop if \an\a is specified.]" 333"[+?If \an\a is given, it must be a positive integer >= 1. If \an\a " 334 "is larger than the number of enclosing loops, the last enclosing " 335 " loop will be used.]" 336 337"\n" 338"\n[n]\n" 339"\n" 340"[+SEE ALSO?\bbreak\b(1)]" 341; 342 343const char sh_optalarm[] = "r [varname seconds]"; 344const char sh_optalias[] = 345"[-1c?\n@(#)$Id: alias (AT&T Research) 1999-07-07 $\n]" 346USAGE_LICENSE 347"[+NAME?alias - define or display aliases]" 348"[+DESCRIPTION?\balias\b creates or redefines alias definitions " 349 "or writes the existing alias definitions to standard output. " 350 "An alias definitions provides a string value that will replace " 351 "a command name when the command is read. Alias names can " 352 "contain any printable character which is not special to the shell. " 353 "If an alias value ends in a space or tab, then the word " 354 "following the command name the alias replaces is also checked " 355 "to see whether it is an alias.]" 356"[+?If no \aname\as are specified then the names and values of all " 357 "aliases are written to standard output. Otherwise, for " 358 "each \aname\a that is specified, and \b=\b\avalue\a is not " 359 "specified, the current value of the alias corresponding to " 360 "\aname\a is written to standard output. If \b=\b\avalue\a is " 361 "specified, the alias \aname\a will be created or redefined.]" 362"[+?\balias\b is built-in to the shell as a declaration command so that " 363 "field splitting and pathname expansion are not performed on " 364 "the arguments. Tilde expansion occurs on \avalue\a. An alias " 365 "definition only affects scripts read by the current shell " 366 "environment. It does not effect scripts run by this shell.]" 367"[p?Causes the output to be in the form of alias commands that can be used " 368 "as input to the shell to recreate the current aliases.]" 369"[t?Used for tracked aliases. These are aliases that connect a " 370 "command name to the pathname of the command and are reset " 371 "when the \bPATH\b variable is unset. The tracked aliases feature is " 372 "now obsolete.]" 373"[x?Ignored, this option is obsolete.]" 374"\n" 375"\n[name[=value]...]\n" 376"\n" 377"[+EXIT STATUS?]{" 378 "[+0?Successful completion.]" 379 "[+>0?One or more \aname\a operands did not have an alias " 380 "definition, or an error occurred.]" 381"}" 382 383"[+SEE ALSO?\bsh\b(1), \bunalias\b(1)]" 384; 385 386const char sh_optbuiltin[] = 387"[-1c?\n@(#)$Id: builtin (AT&T Research) 2010-08-04 $\n]" 388USAGE_LICENSE 389"[+NAME?builtin - add, delete, or display shell built-ins]" 390"[+DESCRIPTION?\bbuiltin\b can be used to add, delete, or display " 391 "built-in commands in the current shell environment. A built-in command " 392 "executes in the current shell process and can have side effects in the " 393 "current shell. On most systems, the invocation time for built-in " 394 "commands is one or two orders of magnitude less than commands that " 395 "create a separate process.]" 396"[+?For each \apathname\a specified, the basename of the pathname " 397 "determines the name of the built-in. For each basename, the shell looks " 398 "for a C level function in the current shell whose name is determined by " 399 "prepending \bb_\b to the built-in name. If \apathname\a contains a " 400 "\b/\b, then the built-in is bound to this pathname. A built-in bound to " 401 "a pathname will only be executed if \apathname\a is the first " 402 "executable found during a path search. Otherwise, built-ins are found " 403 "prior to performing the path search.]" 404"[+?If no \apathname\a operands are specified, then \bbuiltin\b displays " 405 "the current list of built-ins, or just the special built-ins if \b-s\b " 406 "is specified, on standard output. The full pathname for built-ins that " 407 "are bound to pathnames are displayed.]" 408"[+?Libraries containing built-ins can be specified with the \b-f\b " 409 "option. If the library contains a function named \blib_init\b(), this " 410 "function will be invoked with argument \b0\b when the library is " 411 "loaded. The \blib_init\b() function can load built-ins by invoking an " 412 "appropriate C level function. In this case there is no restriction on " 413 "the C level function name.]" 414"[+?The C level function will be invoked with three arguments. The first " 415 "two are the same as \bmain\b() and the third one is a pointer.]" 416"[+?\bbuiltin\b cannot be invoked from a restricted shell.]" 417"[d?Deletes each of the specified built-ins. Special built-ins cannot be " 418 "deleted.]" 419"[f]:[lib?On systems with dynamic linking, \alib\a names a shared " 420 "library to load and search for built-ins. Libraries are searched for " 421 "in \b../lib/ksh\b and \b../lib\b on \b$PATH\b and in system dependent " 422 "library directories. The system " 423 "dependent shared library prefix and/or suffix may be omitted. Once a " 424 "library is loaded, its symbols become available for the current and " 425 "subsequent invocations of \bbuiltin\b. Multiple libraries can be " 426 "specified with separate invocations of \bbuiltin\b. Libraries are " 427 "searched in the reverse order in which they are specified.]" 428"[l?List the library base name, plugin YYYYMMDD version stamp, and full " 429 "path for \b-f\b\alib\a on one line on the standard output.]" 430"[s?Display only the special built-ins.]" 431"\n" 432"\n[pathname ...]\n" 433"\n" 434"[+EXIT STATUS?]{" 435 "[+0?All \apathname\a operands and \b-f\b options processed " 436 "successfully.]" 437 "[+>0?An error occurred.]" 438"}" 439"[+SEE ALSO?\bwhence\b(1)]" 440; 441 442const char sh_optcd[] = 443"[-1c?\n@(#)$Id: cd (AT&T Research) 1999-06-05 $\n]" 444USAGE_LICENSE 445"[+NAME?cd - change working directory ]" 446"[+DESCRIPTION?\bcd\b changes the current working directory of the " 447 "current shell environment.]" 448"[+?In the first form with one operand, if \adirectory\a begins with " 449 "\b/\b, or if the first component is \b.\b or \b..\b, the " 450 "directory will be changed to this directory. If directory is \b-\b, " 451 "the directory will be changed to the last directory visited. " 452 "Otherwise, if the \bCDPATH\b environment variable is set, \bcd\b " 453 "searches for \adirectory\a relative to each directory named in " 454 "the colon separated list of directories defined by \bCDPATH\b. " 455 "If \bCDPATH\b not set, \bcd\b changes to the directory specified " 456 "by \adirectory\a.]" 457"[+?In the second form, the first occurrence of the string \aold\a " 458 "contained in the pathname of the present working directory " 459 "is replaced by the string \anew\a and the resulting string " 460 "is used as the directory to which to change.]" 461"[+?When invoked without operands and when the \bHOME\b environment " 462 "variable is set to a nonempty value, the directory named by " 463 "the \bHOME\b environment variable will be used. If \bHOME\b " 464 "is empty or unset, \bcd\b will fail.]" 465"[+?When \bcd\b is successful, the \bPWD\b environment variable will be set " 466 "to the name of an absolute pathname that does not contain any " 467 "\b..\b components corresponding to the new directory. The " 468 "environment variable \bOLDPWD\b will be set to the previous " 469 "value of \bPWD\b. If the new directory is found by searching " 470 "the directories named by \bCDPATH\b, or if \adirectory\a is \b-\b, " 471 "or if the two operand form is used, the new value of \bPWD\b will be " 472 "written to standard output.]" 473"[+?If both \b-L\b and \b-P\b are specified, the last one specified will " 474 "be used. If neither \b-P\b or \b-L\b is specified then the " 475 "behavior will be determined by the \bgetconf\b parameter " 476 "\bPATH_RESOLVE\b. If \bPATH_RESOLVE\b is \bphysical\b, " 477 "then the behavior will be as if \b-P\b were specified. Otherwise, " 478 "the behavior will be as if \b-L\b were specified.]" 479"[L?Handle each pathname component \b..\b in a logical fashion by moving " 480 "up one level by name in the present working directory.]" 481"[P?The present working directory is first converted to an absolute pathname " 482 "that does not contain symbolic link components and symbolic name " 483 "components are expanded in the resulting directory name.]" 484"\n" 485"\n[directory]\n" 486"old new\n" 487"\n" 488"[+EXIT STATUS?]{" 489 "[+0?Directory successfully changed.]" 490 "[+>0?An error occurred.]" 491"}" 492"[+SEE ALSO?\bpwd\b(1), \bgetconf\b(1)]" 493; 494 495const char sh_optcommand[] = 496"[-1c?\n@(#)$Id: command (AT&T Research) 2003-08-01 $\n]" 497USAGE_LICENSE 498"[+NAME?command - execute a simple command]" 499"[+DESCRIPTION?Without \b-v\b or \b-V\b, \bcommand\b executes \acommand\a " 500 "with arguments given by \aarg\a, suppressing the shell function lookup " 501 "that normally occurs. In addition, if \acommand\a is a special " 502 "built-in command, then the special properties are removed so that " 503 "failures will not cause the script that executes it to terminate.]" 504"[+?With the \b-v\b or \b-V\b options, \bcommand\b is equivalent to the " 505 "\bwhence\b(1) command.]" 506"[p?Causes a default path to be searched rather than the one defined by the " 507 "value of \bPATH\b.]" 508"[v?Equivalent to \bwhence\b \acommand\a [\aarg\a ...]].]" 509"[x?If \acommand\a fails because there are too many \aarg\as, it will be " 510 "invoked multiple times with a subset of the arguments on each " 511 "invocation. Arguments that occur prior to the first word that expand " 512 "to multiple arguments and arguments that occur after the last word " 513 "that expands to multiple arguments will be passed on each invocation. " 514 "The exit status will be the maximum invocation exit status.]" 515"[V?Equivalent to \bwhence \b-v\b \acommand\a [\aarg\a ...]].]" 516"\n" 517"\n[command [arg ...]]\n" 518"\n" 519"[+EXIT STATUS?If \acommand\a is invoked, the exit status of \bcommand\b " 520 "will be that of \acommand\a. Otherwise, it will be one of " 521 "the following:]{" 522 "[+0?\bcommand\b completed successfully.]" 523 "[+>0?\b-v\b or \b-V\b has been specified and an error occurred.]" 524 "[+126?\acommand\a was found but could not be invoked.]" 525 "[+127?\acommand\a could not be found.]" 526"}" 527 528"[+SEE ALSO?\bwhence\b(1), \bgetconf\b(1)]" 529; 530 531const char sh_optdot[] = 532"[-1c?@(#)$Id: \b.\b (AT&T Research) 2000-04-02 $\n]" 533USAGE_LICENSE 534"[+NAME?\b.\b - execute commands in the current environment]" 535"[+DESCRIPTION?\b.\b is a special built-in command that executes commands " 536 "from a function or a file in the current environment.]" 537"[+?If \aname\a refers to a function defined with the \bfunction\b \aname\a " 538 "syntax, the function executes in the current environment as " 539 "if it had been defined with the \aname\a\b()\b syntax so that " 540 "there is no scoping. Otherwise, commands from the file defined " 541 "by \aname\a are executed in the current environment. Note that " 542 "the complete script is read before it begins to execute so that " 543 "any aliases defined in this script will not take effect until " 544 "the script completes execution.]" 545"[+?When \aname\a refers to a file, the \bPATH\b variable is searched " 546 "for the file containing commands. In this case execute permission " 547 "is not required for \aname\a.]" 548"[+?If any \aarg\as are specified, these become the positional parameters " 549 "for the duration of the function or script and are restored " 550 "upon completion.]" 551"\n" 552"\n name [arg ...]\n" 553"\n" 554"[+EXIT STATUS?If \aname\a is found, then the exit status is that " 555 "of the last command executed. Otherwise, since this is a special " 556 "built-in, an error will cause a non-interactive shell to exit with " 557 "a non-zero exit status. An interactive shell returns a non-zero exit " 558 "status to indicate an error.]" 559 560"[+SEE ALSO?\bcommand\b(1), \bksh\b(1)]" 561; 562 563#ifndef ECHOPRINT 564 const char sh_optecho[] = " [-n] [arg...]"; 565#endif /* !ECHOPRINT */ 566 567const char sh_opteval[] = 568"[-1c?\n@(#)$Id: eval (AT&T Research) 1999-07-07 $\n]" 569USAGE_LICENSE 570"[+NAME?eval - create a shell command and process it]" 571"[+DESCRIPTION?\beval\b is a shell special built-in command that constructs " 572 "a command by concatenating the \aarg\as together, separating each " 573 "with a space. The resulting string is then taken as input to " 574 "the shell and evaluated in the current environment. Note that " 575 "command words are expanded twice; once to construct \aarg\a, and " 576 "again when the shell executes the constructed command.]" 577"[+?It is not an error if \aarg\a is not given.]" 578"\n" 579"\n[arg...]\n" 580"\n" 581"[+EXIT STATUS?If \aarg\a is not specified, the exit status is \b0\b. " 582 "Otherwise, it is the exit status of the command defined by the " 583 "\aarg\a operands.]" 584"[+SEE ALSO?\bexec\b(1), \btrap\b(1), \b.\b(1)]" 585; 586 587const char sh_optexec[] = 588"[-1c?\n@(#)$Id: exec (AT&T Research) 1999-07-10 $\n]" 589USAGE_LICENSE 590"[+NAME?exec - execute command, open/close and duplicate file descriptors]" 591"[+DESCRIPTION?\bexec\b is a special built-in command that can be used to " 592 "manipulate file descriptors or to replace the current shell " 593 "with a new command.]" 594"[+?If \acommand\a is specified, then the current shell process will be " 595 "replaced by \acommand\a rather than running \acommand\a and waiting " 596 "for it to complete. Note that there is no need to use " 597 "\bexec\b to enhance performance since the shell implicitly " 598 "uses the exec mechanism internally whenever possible.]" 599"[+?If no operands are specified, \bexec\b can be used to open or " 600 "close files, or to manipulate file descriptors from \b0\b to " 601 "\b9\b in the current shell environment using the standard " 602 "redirection mechanism available with all commands. The " 603 "close-on-exec flags will be set on file descriptor numbers " 604 "greater than \b2\b that are opened this way so that they " 605 "will be closed when another program is invoked.]" 606"[+?Because \bexec\b is a special command, any failure will cause the " 607 "script that invokes it to exit. This can be prevented by " 608 "invoking \bexec\b from the \bcommand\b utility.]" 609"[+?\bexec\b cannot be invoked from a restricted shell to create " 610 "files or to open a file for writing or appending.]" 611"[c?Clear all environment variables before executions except variable " 612 "assignments that are part of the current \bexec\b command.]" 613"[a]:[name?\bargv[0]]\b will be set to \aname\a for \acommand\a]" 614"\n" 615"\n[command [arg ...]]\n" 616"\n" 617"[+EXIT STATUS?If \acommand\a is specified, \bexec\b does not return. " 618 "Otherwise, the exit status is one of the following:]{" 619 "[+0?All I/O redirections were successful.]" 620 "[+>0?An error occurred.]" 621"}" 622"[+SEE ALSO?\bcommand\b(1), \beval\b(1)]" 623; 624 625 626const char sh_optexit[] = 627"[-1c?\n@(#)$Id: exit (AT&T Research) 1999-07-07 $\n]" 628USAGE_LICENSE 629"[+NAME?exit - exit the current shell]" 630"[+DESCRIPTION?\bexit\b is shell special built-in that causes the " 631 "shell that invokes it to exit. Before exiting the shell, if the " 632 "\bEXIT\b trap is set it will be invoked.]" 633"[+?If \an\a is given, it will be used to set the exit status.]" 634"\n" 635"\n[n]\n" 636"\n" 637"[+EXIT STATUS?If \an\a is specified, the exit status is the least significant " 638 "eight bits of the value of \an\a. Otherwise, the exit status is the " 639 "exit status of preceding command. When invoked inside a trap, the " 640 "preceding command means the command that invoked the trap.]" 641"[+SEE ALSO?\bbreak\b(1), \breturn\b(1)]" 642; 643 644const char sh_optexport[] = 645"[-1c?\n@(#)$Id: export (AT&T Research) 1999-07-07 $\n]" 646USAGE_LICENSE 647"[+NAME?export - set export attribute on variables]" 648"[+DESCRIPTION?\bexport\b sets the export attribute on each of " 649 "the variables specified by \aname\a which causes them " 650 "to be in the environment of subsequently executed commands. " 651 "If \b=\b\avalue\a is specified, the variable \aname\a is " 652 "set to \avalue\a.]" 653"[+?If no \aname\as are specified then the names and values of all " 654 "exported variables are written to standard output.]" 655"[+?\bexport\b is built-in to the shell as a declaration command so that " 656 "field splitting and pathname expansion are not performed on " 657 "the arguments. Tilde expansion occurs on \avalue\a.]" 658"[p?Causes the output to be in the form of \bexport\b commands that can be " 659 "used as input to the shell to recreate the current exports.]" 660"\n" 661"\n[name[=value]...]\n" 662"\n" 663"[+EXIT STATUS?]{" 664 "[+0?Successful completion.]" 665 "[+>0?An error occurred.]" 666"}" 667 668"[+SEE ALSO?\bsh\b(1), \btypeset\b(1)]" 669; 670 671const char sh_optgetopts[] = 672":[-1c?\n@(#)$Id: getopts (AT&T Research) 2005-01-01 $\n]" 673"[-author?Glenn Fowler <gsf@research.att.com>]" 674USAGE_LICENSE 675"[+NAME?\f?\f - parse utility options]" 676"[+DESCRIPTION?The \bgetopts\b utility can be used to retrieve options and " 677 "arguments from a list of arguments given by \aargs\a or the positional " 678 "parameters if \aargs\a is omitted. It can also generate usage messages " 679 "and a man page for the command based on the information in \aoptstring\a.]" 680"[+?Each time it is invoked, the \bgetopts\b utility places the value " 681 "of the next option in the shell variable specified by the \aname\a " 682 "operand and the index of the next argument to be processed in the " 683 "shell variable \bOPTIND\b. When the shell is invoked \bOPTIND\b " 684 "is initialized to \b1\b. When an option requires or permits an option " 685 "argument, \bgetopts\b places the option argument in the shell " 686 "variable \bOPTARG\b. Otherwise \bOPTARG\b is set to \b1\b when the " 687 "option is set and \b0\b when the option is unset.]" 688"[+?The \aoptstring\a string consists of alpha-numeric characters, " 689 "the special characters +, -, ?, :, and <space>, or character groups " 690 "enclosed in [...]]. Character groups may be nested in {...}. " 691 "Outside of a [...]] group, a single new-line followed by zero or " 692 "more blanks is ignored. One or more blank lines separate the " 693 "options from the command argument synopsis.]" 694"[+?Each [...]] group consists of an optional label, " 695 "optional attributes separated by :, and an " 696 "optional description string following ?. The characters from the ? " 697 "to the end of the next ]] are ignored for option parsing and short " 698 "usage messages. They are used for generating verbose help or man pages. " 699 "The : character may not appear in the label. " 700 "The ? character must be specified as ?? in the label and the ]] character " 701 "must be specified as ]]]] in the description string. " 702 "Text between two \\b (backspace) characters indicates " 703 "that the text should be emboldened when displayed. " 704 "Text between two \\a (bell) characters indicates that the text should " 705 "be emphasized or italicized when displayed. " 706 "Text between two \\v (vertical tab) characters indicates " 707 "that the text should displayed in a fixed width font. " 708 "Text between two \\f (formfeed) characters will be replaced by the " 709 "output from the shell function whose name is that of the enclosed text.]" 710"[+?All output from this interface is written to the standard error.]" 711"[+?There are several group types:]{" 712 "[+1.?A group of the form " 713 "[-[\aversion\a]][\aflag\a[\anumber\a]]]]...[?\atext\a]]]] " 714 "appearing as the first group enables the extended interface. \aversion\a " 715 "specifies the interface version, currently \b1\b. The latest version is " 716 "assumed if \aversion\a is omitted. Future enhancements " 717 "may increment \aversion\a, but all versions will be supported. \atext\a " 718 "typically specifies an SCCS or CVS identification string. Zero or more " 719 "\aflags\a with optional \anumber\a values may be specified to control " 720 "option parsing. " 721 "The flags are:]{" 722 "[++?Arguments beginning with + are considered options.]" 723 "[+c?Cache this \aoptstring\a for multiple passes. Used to optimize " 724 "builtins that may be called many times within the same process.]" 725 "[+i?Ignore this \aoptstring\a when generating help. Used when " 726 "combining \aoptstring\a values from multiple passes.]" 727 "[+l?Display only \alongname\a options in help messages.]" 728 "[+n?Associate -\anumber\a and +\anumber\a options with the first " 729 "option with numeric arguments.]" 730 "[+o?The \b-\b option character prefix is optional (supports " 731 "obsolete \bps\b(1) option syntax.)]" 732 "[+p?\anumber\a specifies the number of \b-\b characters that must " 733 "prefix long option names. The default is \b2\b; \b0\b, \b1\b or " 734 "\b2\b are accepted (e.g., \bp0\b for \bdd\b(1) and \bp1\b for " 735 "\bfind\b(1).)]" 736 "[+s?\anumber\a specifies the \b--??man\b section number, " 737 "\b1\b by default.]" 738 "}" 739 "[+2.?An option specification of the form " 740 "[\aoption\a[!]][=\anumber\a]][:\alongname\a]][?\atext\a]]]]. In this " 741 "case the first field is the option character; this is the value returned " 742 "in the \aname\a operand when the option is matched. If there is no " 743 "option character then a two or more digit number should be specified. " 744 "This number will be returned as the value of the \aname\a operand if the " 745 "long option is matched. If \aoption\a is followed by \b!\b then the option " 746 "character sense is the inverse of the longname sense. For options that do " 747 "not take values \bOPTARG\b will be set to \b0\b for \b!\b inverted option " 748 "characters and \b1\b otherwise. =\anumber\a optionally specifies a number to " 749 "be returned in the \aname\a operand instead of the option character. A " 750 "longname is specified by \b--\b\alongname\a and is matched by the shortest " 751 "non-ambiguous prefix of all long options. * in the \alongname\a field " 752 "indicates that only characters up to that point need to match, provided " 753 "any additional characters match exactly. The enclosing [ and ]] can be " 754 "omitted for an option that does not have a longname or descriptive text.]" 755 "[+3.?An option argument specification. " 756 "Options that take arguments can be followed by : (string value) or # " 757 "(numeric value) and an option argument specification. An option argument " 758 "specification consists of the option argument name as field 1. " 759 "The remaining \b:\b separated fields are a type name and zero or more of " 760 "the special attribute words \blistof\b, \boneof\b, and \bignorecase\b. " 761 "A default option value may be specified in the final field as " 762 "\b:=\b\adefault\a. The option argument specification may be followed " 763 "by a list of option value descriptions enclosed in braces. " 764 "A long option that takes an argument is specified as " 765 "\b--\b\alongname\a=\avalue\a. If the : or # is followed by ? then the " 766 "option argument is optional. If only the option character form is " 767 "specified then the optional argument value is not set if the next " 768 "argument starts with - or +. The special attributes are currently " 769 "informational with respect to \boptget\b(3), but may be useful to " 770 "applications that parse \b--api\b output. The special attributes are:]{" 771 "[+listof?zero or more of the possible option values may be specified, " 772 "separated by \b,\b or space.]" 773 "[+oneof?exactly one of the possible option values must be specified]" 774 "[+ignorecase?case ignored in matching the long option name]" 775 "}" 776 "[+4.?A option value description.]" 777 "[+5.?A argument specification. A list of valid option argument values " 778 "can be specified by enclosing them inside a {...} following " 779 "the option argument specification. Each of the permitted " 780 "values can be specified with a [...]] containing the " 781 "value followed by a description.]" 782 "[+6.?A group of the form [+\\n...]] will display the characters " 783 "representing ... in fixed with font without adding line breaks.]" 784 "[+7.?A group of the form [+\aname\a?\atext\a]] specifies a section " 785 "\aname\a with descriptive \atext\a. If \aname\a is omitted then " 786 "\atext\a is placed in a new paragraph.]" 787 "[+8.?A group of the form [-\aname\a?\atext\a]] specifies entries " 788 "for the \bIMPLEMENTATION\b section.]" 789"}" 790"[+?A leading : character in \aoptstring\a " 791 "affects the way errors are handled. If an option character or longname " 792 "argument not specified in \aoptstring\a is encountered when processing " 793 "options, the shell variable whose name is \aname\a will be set to the ? " 794 "character. The shell variable \bOPTARG\b will be set to " 795 "the character found. If an option argument is missing or has an invalid " 796 "value, then \aname\a will be set to the : character and the shell variable " 797 "\bOPTARG\b will be set to the option character found. " 798 "Without the leading :, \aname\a will be set to the ? character, \bOPTARG\b " 799 "will be unset, and an error message will be written to standard error " 800 "when errors are encountered.]" 801"[+?A leading + character or a + following a leading : in \aoptstring\a " 802 "specifies that arguments beginning with + will also be considered options.]" 803"[+?The end of options occurs when:]{" 804 "[+1.?The special argument \b--\b is encountered.]" 805 "[+2.?An argument that does not begin with a \b-\b is encountered.]" 806 "[+3.?A help argument is specified.]" 807 "[+4.?An error is encountered.]" 808"}" 809"[+?If \bOPTIND\b is set to the value \b1\b, a new set of arguments " 810 "can be used.]" 811"[+?\bgetopts\b can also be used to generate help messages containing command " 812 "usage and detailed descriptions. Specify \aargs\a as:]" 813"{ " 814 "[+-???To generate a usage synopsis.]" 815 "[+--?????To generate a verbose usage message.]" 816 "[+--????man?To generate a formatted man page.]" 817 "[+--????api?To generate an easy to parse usage message.]" 818 "[+--????html?To generate a man page in \bhtml\b format.]" 819 "[+--????nroff?To generate a man page in \bnroff\b format.]" 820 "[+--????usage?List the current \aoptstring\a.]" 821 "[+--??????\aname\a?List \bversion=\b\an\a, \an\a>0, " 822 "if the option \aname\a is recognized by \bgetopts\b.]" 823"}" 824"[+?When the end of options is encountered, \bgetopts\b exits with a " 825 "non-zero return value and the variable \bOPTIND\b is set to the " 826 "index of the first non-option argument.]" 827"[+?The obsolete long option forms \aflag\a(\along-name\a) and " 828 "\aflag\a:(\along-name\a) for options that take arguments is supported " 829 "for backwards compatibility.]" 830"a:[name?Use \aname\a instead of the command name in usage messages.]" 831"\n" 832"\nopstring name [args...]\n" 833"\n" 834"[+EXIT STATUS]{" 835 "[+0?An option specified was found.]" 836 "[+1?An end of options was encountered.]" 837 "[+2?A usage or information message was generated.]" 838"}" 839; 840 841const char sh_optbg[] = 842"[-1c?@(#)$Id: bg (AT&T Research) 2000-04-02 $\n]" 843USAGE_LICENSE 844"[+NAME?bg - resume jobs in the background]" 845"[+DESCRIPTION?\bbg\b places the given \ajob\as into the background " 846 "and sends them a \bCONT\b signal to start them running.]" 847"[+?If \ajob\a is omitted, the most recently started or stopped " 848 "background job is resumed or continued in the background.]" 849_JOB_ 850"\n" 851"\n[job ...]\n" 852"\n" 853"[+EXIT STATUS?]{" 854 "[+0?If all background jobs are started.]" 855 "[+>0?If one more jobs does not exist or there are no background " 856 "jobs.]" 857"}" 858 859"[+SEE ALSO?\bwait\b(1), \bfg\b(1), \bdisown\b(1), \bjobs\b(1)]" 860; 861 862const char sh_optfg[] = 863"[-1c?@(#)$Id: fg (AT&T Research) 2000-04-02 $\n]" 864USAGE_LICENSE 865"[+NAME?fg - move jobs to the foreground]" 866"[+DESCRIPTION?\bfg\b places the given \ajob\as into the foreground " 867 "in sequence and sends them a \bCONT\b signal to start each running.]" 868"[+?If \ajob\a is omitted, the most recently started or stopped " 869 "background job is moved to the foreground.]" 870_JOB_ 871"\n" 872"\n[job ...]\n" 873"\n" 874"[+EXIT STATUS?If \bfg\b brings one or more jobs into the foreground, " 875 "the exit status of \bfg\b will be that of the last \ajob\a. " 876 "If one or more jobs does not exist or has completed, \bfg\b will " 877 "return a non-zero exit status.]" 878"}" 879 880"[+SEE ALSO?\bwait\b(1), \bbg\b(1), \bjobs\b(1)]" 881; 882 883const char sh_optdisown[] = 884"[-1c?@(#)$Id: disown (AT&T Research) 2000-04-02 $\n]" 885USAGE_LICENSE 886"[+NAME?disown - disassociate a job with the current shell]" 887"[+DESCRIPTION?\bdisown\b prevents the current shell from sending " 888 "a \bHUP\b signal to each of the given \ajob\as when " 889 "the current shell terminates a login session.]" 890"[+?If \ajob\a is omitted, the most recently started or stopped " 891 "background job is used.]" 892_JOB_ 893"\n" 894"\n[job ...]\n" 895"\n" 896"[+EXIT STATUS?]{" 897 "[+0?If all jobs are successfully disowned.]" 898 "[+>0?If one more \ajob\as does not exist.]" 899"}" 900 901"[+SEE ALSO?\bwait\b(1), \bbg\b(1), \bjobs\b(1)]" 902; 903 904const char sh_optjobs[] = 905"[-1c?@(#)$Id: jobs (AT&T Research) 2000-04-02 $\n]" 906USAGE_LICENSE 907"[+NAME?jobs - display status of jobs]" 908"[+DESCRIPTION?\bjobs\b displays information about specified \ajob\as " 909 "that were started by the current shell environment on standard " 910 "output. The information contains the job number enclosed in " 911 "[...]], the status, and the command line that started the job.]" 912"[+?If \ajob\a is omitted, \bjobs\b displays the status of all stopped jobs, " 913 "background jobs, and all jobs whose status has changed since last " 914 "reported by the shell.]" 915"[+?When \bjobs\b reports the termination status of a job, the " 916 "shell removes the jobs from the list of known jobs in " 917 "the current shell environment.]" 918_JOB_ 919"[l?\bjobs\b displays process id's after the job number in addition " 920 "to the usual information]" 921"[n?Only the jobs whose status has changed since the last prompt " 922 "is displayed.]" 923"[p?The process group leader id's for the specified jobs are displayed.]" 924"\n" 925"\n[job ...]\n" 926"\n" 927"[+EXIT STATUS?]{" 928 "[+0?The information for each job is written to standard output.]" 929 "[+>0?One or more jobs does not exist.]" 930"}" 931 932"[+SEE ALSO?\bwait\b(1), \bps\b(1), \bfg\b(1), \bbg\b(1)]" 933; 934 935const char sh_opthist[] = 936"[-1cn?@(#)$Id: hist (AT&T Research) 2000-04-02 $\n]" 937USAGE_LICENSE 938"[+NAME?\f?\f - process command history list]" 939"[+DESCRIPTION?\b\f?\f\b lists, edits, or re-executes, commands " 940 "previously entered into the current shell environment.]" 941"[+?The command history list references commands by number. The first number " 942 "in the list is selected arbitrarily. The relationship of a number " 943 "to its command does not change during a login session. When the " 944 "number reaches 32767 the number wraps around to 1 but " 945 "maintains the ordering.]" 946"[+?When commands are edited (when the \b-l\b option is not specified), the " 947 "resulting lines will be entered at the end of the history list and " 948 "then reexecuted by the current shell. The \b\f?\f\b command that " 949 "caused the editing will not be entered into the history list. If the " 950 "editor returns a non-zero exit status, this will suppress the " 951 "entry into the history list and the command reexecution. Command " 952 "line variable assignments and redirections affect both the \f?\f " 953 "command and the commands that are reexecuted.]" 954"[+?\afirst\a and \alast\a define the range of commands. \afirst\a and " 955 "\alast\a can be one of the following:]{" 956 "[+\anumber\a?A positive number representing a command " 957 "number. A \b+\b sign can precede \anumber\a.]" 958 "[+-\anumber\a?A negative number representing a command " 959 "that was executed \anumber\a commands previously. " 960 "For example, \b-1\b is the previous command.]" 961 "[+\astring\a?\astring\a indicates the most recently " 962 "entered command that begins with \astring\a. " 963 "\astring\a should not contain an \b=\b.]" 964 "}" 965"[+?If \afirst\a is omitted, the previous command is used, unless \b-l\b " 966 "is specified, in which case it will default to \b-16\b and \alast\a " 967 "will default to \b-1\b.]" 968"[+?If \afirst\a is specified and \alast\a is omitted, then \alast\a will " 969 "default to \afirst\a unless \b-l\b is specified in which case " 970 "it will default to \b-1\b.]" 971"[+?If no editor is specified, then the editor specfied by the \bHISTEDIT\b " 972 "variable will be used if set, or the \bFCEDIT\b variable will be " 973 "used if set, otherwise, \bed\b will be used.]" 974"[e]:[editor?\aeditor\a specifies the editor to use to edit the history " 975 "command. A value of \b-\b for \aeditor\a is equivalent to " 976 "specifiying the \b-s\b option.]" 977"[l?List the commands rather than editing and reexecuting them.]" 978"[N]#[num?Start at \anum\a commands back.]" 979"[n?Suppress the command numbers when the commands are listed.]" 980#if SHOPT_HISTEXPAND 981"[p?Writes the result of history expansion for each operand to standard " 982 "output. All other options are ignored.]" 983#endif 984"[r?Reverse the order of the commands.]" 985"[s?Reexecute the command without invoking an editor. In this case " 986 "an operand of the form \aold\a\b=\b\anew\a can be specified " 987 "to change the first occurrence of the string \aold\a in the " 988 "command to \anew\a before reexecuting the command.]" 989 990"\n" 991"\n[first [last] ]\n" 992"\n" 993"[+EXIT STATUS?If a command is reexecuted, the exit status is that of " 994 "the command that gets reexecuted. Otherwise, it is one of the " 995 "following:]{" 996 "[+0?Successfully completion of the listing.]" 997 "[+>0?An error occurred.]" 998"}" 999 1000"[+SEE ALSO?\bksh\b(1), \bsh\b(1), \bed\b(1)]" 1001; 1002 1003const char sh_optkill[] = 1004"[-1c?\n@(#)$Id: kill (AT&T Research) 2012-04-13 $\n]" 1005USAGE_LICENSE 1006"[+NAME?kill - terminate or signal process]" 1007"[+DESCRIPTION?With the first form in which \b-l\b is not specified, " 1008 "\bkill\b sends a signal to one or more processes specified by " 1009 "\ajob\a. This normally terminates the processes unless the signal " 1010 "is being caught or ignored.]" 1011_JOB_ 1012"[+?If the signal is not specified with either the \b-n\b or the \b-s\b " 1013 "option, the \bSIGTERM\b signal is used.]" 1014"[+?If \b-l\b is specified, and no \aarg\a is specified, then \bkill\b " 1015 "writes the list of signals to standard output. Otherwise, \aarg\a " 1016 "can be either a signal name, or a number representing either a " 1017 "signal number or exit status for a process that was terminated " 1018 "due to a signal. If a name is given the corresponding signal " 1019 "number will be written to standard output. If a number is given " 1020 "the corresponding signal name will be written to standard output.]" 1021"[l?List signal names or signal numbers rather than sending signals as " 1022 "described above. " 1023 "The \b-n\b and \b-s\b options cannot be specified.]" 1024"[L?Same as \b-l\b except that of no argument is specified the signals will " 1025 "be listed in menu format as with select compound command.]" 1026"[n]#[signum?Specify a signal number to send. Signal numbers are not " 1027 "portable across platforms, except for the following:]{" 1028 "[+0?No signal]" 1029 "[+1?\bHUP\b]" 1030 "[+2?\bINT\b]" 1031 "[+3?\bQUIT\b]" 1032 "[+6?\bABRT\b]" 1033 "[+9?\bKILL\b]" 1034 "[+14?\bALRM\b]" 1035 "[+15?\bTERM\b]" 1036 "}" 1037"[s]:[signame?Specify a signal name to send. The signal names are derived " 1038 "from their names in \b<signal.h>\b without the \bSIG\b prefix and " 1039 "are case insensitive. \bkill -l\b will generate the list of " 1040 "signals on the current platform.]" 1041"\n" 1042"\njob ...\n" 1043" -l [arg ...]\n" 1044"\n" 1045"[+EXIT STATUS?]{" 1046 "[+0?At least one matching process was found for each \ajob\a " 1047 "operand, and the specified signal was successfully sent to at " 1048 "least one matching process.]" 1049 "[+>0?An error occurred.]" 1050"}" 1051"[+SEE ALSO?\bps\b(1), \bjobs\b(1), \bkill\b(2), \bsignal\b(2)]" 1052; 1053 1054const char sh_optlet[] = 1055"[-1c?@(#)$Id: let (AT&T Research) 2000-04-02 $\n]" 1056USAGE_LICENSE 1057"[+NAME?let - evaluate arithmetic expressions]" 1058"[+DESCRIPTION?\blet\b evaluates each \aexpr\a in the current " 1059 "shell environment as an arithmetic expression using ANSI C " 1060 "syntax. Variables names are shell variables and they " 1061 "are recursively evaluated as arithmetic expressions to " 1062 "get numerical values.]" 1063"[+?\blet\b has been made obsolete by the \b((\b...\b))\b syntax " 1064 "of \bksh\b(1) which does not require quoting of the operators " 1065 "to pass them as command arguments.]" 1066"\n" 1067"\n[expr ...]\n" 1068"\n" 1069"[+EXIT STATUS?]{" 1070 "[+0?The last \aexpr\a evaluates to a non-zero value.]" 1071 "[+>0?The last \aexpr\a evaluates to \b0\b or an error occurred.]" 1072"}" 1073 1074"[+SEE ALSO?\bexpr\b(1), \btest\b(1), \bksh\b(1)]" 1075; 1076 1077const char sh_optprint[] = 1078"[-1c?\n@(#)$Id: print (AT&T Research) 2008-11-26 $\n]" 1079USAGE_LICENSE 1080"[+NAME?print - write arguments to standard output]" 1081"[+DESCRIPTION?By default, \bprint\b writes each \astring\a operand to " 1082 "standard output and appends a newline character.]" 1083"[+?Unless, the \b-r\b or \b-f\b option is specified, each \b\\\b " 1084 "character in each \astring\a operand is processed specially as " 1085 "follows:]{" 1086 "[+\\a?Alert character.]" 1087 "[+\\b?Backspace character.]" 1088 "[+\\c?Terminate output without appending newline. The " 1089 "remaining \astring\a operands are ignored.]" 1090 "[+\\f?Formfeed character.]" 1091 "[+\\n?Newline character.]" 1092 "[+\\t?Tab character.]" 1093 "[+\\v?Vertical tab character.]" 1094 "[+\\\\?Backslash character.]" 1095 "[+\\E?Escape character (ASCII octal 033).]" 1096 "[+\\0\ax\a?The 8-bit character whose ASCII code is the " 1097 "1-, 2-, or 3-digit octal number \ax\a.]" 1098 "}" 1099"[+?If both \b-e\b and \b-r\b are specified, the last one specified is " 1100 "the one that is used.]" 1101"[+?When the \b-f\b option is specified and there are more \astring\a " 1102 "operands than format specifiers, the format string is " 1103 "reprocessed from the beginning. If there are fewer \astring\a " 1104 "operands than format specifiers, then outputting will end " 1105 "at the first unneeded format specifier.]" 1106"[e?Unless \b-f\b is specified, process \b\\\b sequences in each \astring\a " 1107 "operand as described above. This is the default behavior.]" 1108"[n?Do not append a new-line character to the output.]" 1109"[f]:[format?Write the \astring\a arguments using the format string " 1110 "\aformat\a and do not append a new-line. See \bprintf\b for " 1111 "details on how to specify \aformat\a.]" 1112"[p?Write to the current co-process instead of standard output.]" 1113"[r?Do not process \b\\\b sequences in each \astring\a operand as described " 1114 "above.]" 1115"[s?Write the output as an entry in the shell history file instead of " 1116 "standard output.]" 1117"[u]:[fd:=1?Write to file descriptor number \afd\a instead of standard output.]" 1118"[v?Treat each \astring\a as a variable name and write the value in \b%B\b " 1119 "format. Cannot be used with \b-f\b.]" 1120"[C?Treat each \astring\a as a variable name and write the value in \b%#B\b " 1121 "format. Cannot be used with \b-f\b.]" 1122"\n" 1123"\n[string ...]\n" 1124"\n" 1125"[+EXIT STATUS?]{" 1126 "[+0?Successful completion.]" 1127 "[+>0?An error occurred.]" 1128"}" 1129"[+SEE ALSO?\becho\b(1), \bprintf\b(1), \bread\b(1)]" 1130; 1131 1132const char sh_optprintf[] = 1133"[-1c?\n@(#)$Id: printf (AT&T Research) 2009-02-02 $\n]" 1134USAGE_LICENSE 1135"[+NAME?printf - write formatted output]" 1136"[+DESCRIPTION?\bprintf\b writes each \astring\a operand to " 1137 "standard output using \aformat\a to control the output format.]" 1138"[+?The \aformat\a operands supports the full range of ANSI C formatting " 1139 "specifiers plus the following additional specifiers:]{" 1140 "[+%b?Each character in the \astring\a operand is processed " 1141 "specially as follows:]{" 1142 "[+\\a?Alert character.]" 1143 "[+\\b?Backspace character.]" 1144 "[+\\c?Terminate output without appending newline. " 1145 "The remaining \astring\a operands are ignored.]" 1146 "[+\\f?Formfeed character.]" 1147 "[+\\n?Newline character.]" 1148 "[+\\t?Tab character.]" 1149 "[+\\v?Vertical tab character.]" 1150 "[+\\\\?Backslash character.]" 1151 "[+\\E?Escape character (ASCII octal 033).]" 1152 "[+\\0\ax\a?The 8-bit character whose ASCII code is " 1153 "the 1-, 2-, or 3-digit octal number \ax\a.]" 1154 "}" 1155 "[+%q?Output \astring\a quoted in a manner that it can be read in " 1156 "by the shell to get back the same string. However, empty " 1157 "strings resulting from missing \astring\a operands will " 1158 "not be quoted. When \bq\b is preceded by the alternative " 1159 "format specifier, \b#\b, the string is quoted in manner " 1160 " suitable as a field in a \b.csv\b format file.]" 1161 "[+%B?Treat the argument as a variable name and output the value " 1162 "without converting it to a string. This is most useful for " 1163 "variables of type \b-b\b.]" 1164 "[+%H?Output \astring\a with characters \b<\b, \b&\b, \b>\b, " 1165 "\b\"\b, and non-printable characters properly escaped for " 1166 "use in HTML and XML documents. The alternate flag \b#\b " 1167 "formats the output for use as a URI.]" 1168 "[+%P?Treat \astring\a as an extended regular expression and " 1169 "convert it to a shell pattern.]" 1170 "[+%R?Treat \astring\a as an shell pattern expression and " 1171 "convert it to an extended regular expression.]" 1172 "[+%T?Treat \astring\a as a date/time string and format it. The " 1173 "\bT\b can be preceded by \b(\b\adformat\a\b)\b, where " 1174 "\adformat\a is a date format as defined by the \bdate\b " 1175 "command.]" 1176 "[+%Z?Output a byte whose value is \b0\b.]" 1177 "\fextra\f" 1178"}" 1179"[+?The format modifier flag \bL\b can precede the width and/or precision " 1180 "specifiers for the \bc\b and \bs\b to cause the width and/or " 1181 "precision to be measured in character width rather than byte count.]" 1182"[+?When performing conversions of \astring\a to satisfy a numeric " 1183 "format specifier, if the first character of \astring\a " 1184 "is \b\"\b or \b'\b, then the value will be the numeric value " 1185 "in the underlying code set of the character following the " 1186 "\b\"\b or \b'\b. Otherwise, \astring\a is treated like a shell " 1187 "arithmetic expression and evaluated.]" 1188"[+?If a \astring\a operand cannot be completely converted into a value " 1189 "appropriate for that format specifier, an error will occur, " 1190 "but remaining \astring\a operands will continue to be processed.]" 1191"[+?In addition to the format specifier extensions, the following " 1192 "extensions of ANSI-C are permitted in format specifiers:]{" 1193 "[+-?The escape sequences \b\\E\b and \b\\e\b expand to the escape " 1194 "character which is octal \b033\b in ASCII.]" 1195 "[+-?The escape sequence \b\\c\b\ax\a expands to Control-\ax\a.]" 1196 "[+-?The escape sequence \b\\C[.\b\aname\a\b.]]\b expands to " 1197 "the collating element \aname\a.]" 1198 "[+-?The escape sequence \b\\x{\b\ahex\a\b}\b expands to the " 1199 "character corresponding to the hexidecimal value \ahex\a.]" 1200 "[+-?The escape sequence \b\\u{\b\ahex\a\b}\b expands to the unicode " 1201 "character corresponding to the hexidecimal value \ahex\a.]" 1202 "[+-?The format modifier flag \b=\b can be used to center a field to " 1203 "a specified width.]" 1204 "[+-?The format modifier flag \bL\b can be used with the \bc\b and " 1205 "\bs\b formats to treat precision as character width instead " 1206 "of byte count.]" 1207 "[+-?The format modifier flag \b,\b can be used with \bd\b and \bf\b " 1208 "formats to cause group of digits.]" 1209 "[+-?Each of the integral format specifiers can have a third " 1210 "modifier after width and precision that specifies the " 1211 "base of the conversion from 2 to 64. In this case the " 1212 "\b#\b modifier will cause \abase\a\b#\b to be prepended to " 1213 "the value.]" 1214 "[+-?The \b#\b modifier can be used with the \bd\b specifier when " 1215 "no base is specified cause the output to be written in units " 1216 "of \b1000\b with a suffix of one of \bk M G T P E\b.]" 1217 "[+-?The \b#\b modifier can be used with the \bi\b specifier to " 1218 "cause the output to be written in units of \b1024\b with " 1219 "a suffix of one of \bKi Mi Gi Ti Pi Ei\b.]" 1220 "}" 1221"[+?If there are more \astring\a operands than format specifiers, the " 1222 "\aformat\a string is reprocessed from the beginning. If there are " 1223 "fewer \astring\a operands than format specifiers, then string " 1224 "specifiers will be treated as if empty strings were supplied, " 1225 "numeric conversions will be treated as if 0 were supplied, and " 1226 "time conversions will be treated as if \bnow\b were supplied.]" 1227"[+?\bprintf\b is equivalent to \bprint -f\b which allows additional " 1228 "options to be specified.]" 1229"\n" 1230"\nformat [string ...]\n" 1231"\n" 1232"[+EXIT STATUS?]{" 1233 "[+0?Successful completion.]" 1234 "[+>0?An error occurred.]" 1235"}" 1236"[+SEE ALSO?\bdate\b(1), \bprint\b(1), \bread\b(1)]" 1237; 1238 1239const char sh_optpwd[] = 1240"[-1c?\n@(#)$Id: pwd (AT&T Research) 1999-06-07 $\n]" 1241USAGE_LICENSE 1242"[+NAME?pwd - write working directory name]" 1243"[+DESCRIPTION?\bpwd\b writes an absolute pathname of the current working " 1244 "directory to standard output. An absolute pathname is a " 1245 "pathname that begins with \b/\b that does not contains any " 1246 "\b.\b or \b..\b components.]" 1247"[+?If both \b-L\b and \b-P\b are specified, the last one specified will " 1248 "be used. If neither \b-P\b or \b-L\b is specified then the " 1249 "behavior will be determined by the \bgetconf\b parameter " 1250 "\bPATH_RESOLVE\b. If \bPATH_RESOLVE\b is \bphysical\b, " 1251 "then the behavior will be as if \b-P\b were specified. Otherwise, " 1252 "the behavior will be as if \b-L\b were specified.]" 1253"[L?The absolute pathname may contains symbolic link components. This is " 1254 "the default.]" 1255"[P?The absolute pathname will not contain any symbolic link components.]" 1256"[+EXIT STATUS?]{" 1257 "[+0?Successful completion.]" 1258 "[+>0?An error occurred.]" 1259"}" 1260"[+SEE ALSO?\bcd\b(1), \bgetconf\b(1)]" 1261; 1262 1263const char sh_optread[] = 1264"[-1c?\n@(#)$Id: read (AT&T Research) 2006-12-19 $\n]" 1265USAGE_LICENSE 1266"[+NAME?read - read a line from standard input]" 1267"[+DESCRIPTION?\bread\b reads a line from standard input and breaks it " 1268 "into fields using the characters in value of the \bIFS\b variable " 1269 "as separators. The escape character, \b\\\b, is used to remove " 1270 "any special meaning for the next character and for line continuation " 1271 "unless the \b-r\b option is specified.]" 1272"[+?If there are more variables than fields, the remaining variables are " 1273 "set to empty strings. If there are fewer variables than fields, " 1274 "the leftover fields and their intervening separators are assigned " 1275 "to the last variable. If no \avar\a is specified then the variable " 1276 "\bREPLY\b is used.]" 1277"[+?When \avar\a has the binary attribute and \b-n\b or \b-N\b is specified, " 1278 "the bytes that are read are stored directly into \bvar\b.]" 1279"[+?If you specify \b?\b\aprompt\a after the first \avar\a, then \bread\b " 1280 "will display \aprompt\a on standard error when standard input " 1281 "is a terminal or pipe.]" 1282"[+?If an end of file is encountered while reading a line the data is " 1283 "read and processed but \bread\b returns with a non-zero exit status.]" 1284"[A?Unset \avar\a and then create an indexed array containing each field in " 1285 "the line starting at index 0.]" 1286"[C?Unset \avar\a and read \avar\a as a compound variable.]" 1287"[d]:[delim?Read until delimiter \adelim\a instead of to the end of line.]" 1288"[p?Read from the current co-process instead of standard input. An end of " 1289 "file causes \bread\b to disconnect the co-process so that another " 1290 "can be created.]" 1291"[r?Do not treat \b\\\b specially when processing the input line.]" 1292"[s?Save a copy of the input as an entry in the shell history file.]" 1293"[S?Treat the input as if it was saved from a spreasheet in csv format.]" 1294"[u]#[fd:=0?Read from file descriptor number \afd\a instead of standard input.]" 1295"[t]:[timeout?Specify a timeout \atimeout\a in seconds when reading from " 1296 "a terminal or pipe.]" 1297"[n]#[count?Read at most \acount\a characters. For binary fields \acount\a " 1298 "is the number of bytes.]" 1299"[N]#[count?Read exactly \ancount\a characters. For binary fields \acount\a " 1300 "is the number of bytes.]" 1301"[v?When reading from a terminal the value of the first variable is displayed " 1302 "and used as a default value.]" 1303"\n" 1304"\n[var?prompt] [var ...]\n" 1305"\n" 1306"[+EXIT STATUS?]{" 1307 "[+0? Successful completion.]" 1308 "[+>0?End of file was detected or an error occurred.]" 1309"}" 1310"[+SEE ALSO?\bprint\b(1), \bprintf\b(1), \bcat\b(1)]" 1311; 1312 1313const char sh_optreadonly[] = 1314"[-1c?\n@(#)$Id: readonly (AT&T Research) 2008-06-16 $\n]" 1315USAGE_LICENSE 1316"[+NAME?readonly - set readonly attribute on variables]" 1317"[+DESCRIPTION?\breadonly\b sets the readonly attribute on each of " 1318 "the variables specified by \aname\a which prevents their " 1319 "values from being changed. If \b=\b\avalue\a is specified, " 1320 "the variable \aname\a is set to \avalue\a before the variable " 1321 "is made readonly.]" 1322"[+?Within a type definition, if the value is not specified, then a " 1323 "value must be specified when creating each instance of the type " 1324 "and the value is readonly for each instance.]" 1325"[+?If no \aname\as are specified then the names and values of all " 1326 "readonly variables are written to standard output.]" 1327"[+?\breadonly\b is built-in to the shell as a declaration command so that " 1328 "field splitting and pathname expansion are not performed on " 1329 "the arguments. Tilde expansion occurs on \avalue\a.]" 1330"[p?Causes the output to be in a form of \breadonly\b commands that can be " 1331 "used as input to the shell to recreate the current set of " 1332 "readonly variables.]" 1333"\n" 1334"\n[name[=value]...]\n" 1335"\n" 1336"[+EXIT STATUS?]{" 1337 "[+0?Successful completion.]" 1338 "[+>0?An error occurred.]" 1339"}" 1340 1341"[+SEE ALSO?\bsh\b(1), \btypeset\b(1)]" 1342; 1343 1344const char sh_optreturn[] = 1345"[-1c?\n@(#)$Id: return (AT&T Research) 1999-07-07 $\n]" 1346USAGE_LICENSE 1347"[+NAME?return - return from a function or dot script ]" 1348"[+DESCRIPTION?\breturn\b is a shell special built-in that causes the " 1349 "function or dot script that invokes it to exit. " 1350 "If \breturn\b is invoked outside of a function or dot script " 1351 "it is equivalent to \bexit\b.]" 1352"[+?If \breturn\b is invoked inside a function defined with the \bfunction\b " 1353 "reserved word syntax, then any \bEXIT\b trap set within the " 1354 "then function will be invoked in the context of the caller " 1355 "before the function returns.]" 1356"[+?If \an\a is given, it will be used to set the exit status.]" 1357"\n" 1358"\n[n]\n" 1359"\n" 1360"[+EXIT STATUS?If \an\a is specified, the exit status is the least significant " 1361 "eight bits of the value of \an\a. Otherwise, the exit status is the " 1362 "exit status of preceding command.]" 1363"[+SEE ALSO?\bbreak\b(1), \bexit\b(1)]" 1364; 1365 1366 1367const char sh_optksh[] = 1368"+[-1?\n@(#)$Id: sh (AT&T Research) "SH_RELEASE" $\n]" 1369USAGE_LICENSE 1370"[+NAME?\b\f?\f\b - Shell, the standard command language interpreter]" 1371"[+DESCRIPTION?\b\f?\f\b is a command language interpreter that " 1372 "executes commands read from a command line string, the " 1373 "standard input, or a specified file.]" 1374"[+?If the \b-i\b option is present, or there are no \aarg\as and " 1375 "the standard input and standard error are attached to a " 1376 "terminal, the shell is considered to be interactive.]" 1377"[+?The \b-s\b and \b-c\b options are mutually exclusive. If the \b-c\b " 1378 "option is specified, the first \aarg\a is the command-line string " 1379 "and must be specified. Any remaining \aarg\as will be used " 1380 "to initialize \b$0\b and positional parameters.]" 1381"[+?If the neither \b-s\b nor \b-c\b is specified, then the first \barg\b " 1382 "will be the pathname of the file containing commands and \b$0\b " 1383 "will be set to this value. If there is no file with this pathname, " 1384 "and this pathame does not contain a \b/\b, then the \bPATH\b " 1385 "will be searched for an executable with this name. Any remaining " 1386 "\aarg\as will be used to initialize the positional parmaeters.]" 1387"[+?Any option can use a \b+\b instead of a \b-\b to disable the corresponding " 1388 "option.]" 1389"[c?Read the commands from the first \aarg\a.]" 1390"[i?Specifies that the shell is interactive.]" 1391"[l?Invoke the shell as a login shell; \b/etc/profile\b and \b$HOME/.profile\b, " 1392 "if they exist, are read before the first command.]" 1393"[r\f:restricted\f?Invoke the shell in a restricted mode. A restricted " 1394 "shell does not permit any of the following:]{" 1395 "[+-?Changing the working directory.]" 1396 "[+-?Setting values or attributes of the variables \bSHELL\b, " 1397 "\bENV\b, \bFPATH\b, or \bPATH\b.]" 1398 "[+-?Executing any command whose name as a \b/\b in it.]" 1399 "[+-?Redirecting output of a command with \b>\b, \b>|\b, " 1400 "\b<>\b, or \b>>\b.]" 1401 "[+-?Adding or deleting built-in commands or libraries with " 1402 "\bbuiltin\b.]" 1403 "[+-?Executing \bcommand -p\b \a...\a .]" 1404 "}" 1405"[s?Read the commands from standard input. The positional parameters will be " 1406 "initialized from \aarg\a.]" 1407"[D\f:dump-strings\f?Do not execute the script, but output the set of double " 1408 "quoted strings preceded by a \b$\b. These strings are needed for " 1409 "localization of the script to different locales.]" 1410"[E?Reads the file " 1411#if SHOPT_SYSRC 1412 "\b/etc/ksh.kshrc\b, if it exists, as a profile, followed by " 1413#endif 1414 "\b${ENV-$HOME/.kshrc}\b, if it exists, as a profile. " 1415 "On by default for interactive shells; use \b+E\b to disable.]" 1416#if SHOPT_PFSH 1417"[P?Invoke the shell as a profile shell. See \bpfexec\b(1).]" 1418#endif 1419#if SHOPT_KIA 1420"[R]:[file?Do not execute the script, but create a cross reference database " 1421 "in \afile\a that can be used a separate shell script browser. The " 1422 "-R option requires a script to be specified as the first operand.]" 1423#endif /* SHOPT_KIA */ 1424#if SHOPT_REGRESS 1425"[I:regress]:[intercept?Enable the regression test \aintercept\a. Must be " 1426 "the first command line option(s).]" 1427#endif 1428#if SHOPT_BASH 1429 "\fbash2\f" 1430#endif 1431"\fabc\f" 1432"?" 1433"[T?Enable implementation specific test code defined by mask.]#[mask]" 1434"\n" 1435"\n[arg ...]\n" 1436"\n" 1437"[+EXIT STATUS?If \b\f?\f\b executes command, the exit status will be that " 1438 "of the last command executed. Otherwise, it will be one of " 1439 "the following:]{" 1440 "[+0?The script or command line to be executed consists entirely " 1441 "of zero or more blank lines or comments.]" 1442 "[+>1-125?A noninteractive shell detected a syntax error, a variable " 1443 "assignment error, or an error in a special built-in.]" 1444 "[+126?\b-c\b and \b-s\b were not specified and the command script " 1445 "was found on \bPATH\b but was not executable.]" 1446 "[+127?\b-c\b and \b-s\b were not specified and the command script " 1447 "corresponding to \aarg\a could not be found.]" 1448"}" 1449 1450"[+SEE ALSO?\bset\b(1), \bbuiltin\b(1)]" 1451; 1452const char sh_optset[] = 1453"+[-1c?\n@(#)$Id: set (AT&T Research) 1999-09-28 $\n]" 1454USAGE_LICENSE 1455"[+NAME?set - set/unset options and positional parameters]" 1456"[+DESCRIPTION?\bset\b sets or unsets options and positional parameters. " 1457 "Options that are specified with a \b-\b cause the options to " 1458 "be set. Options that are specified with a \b+\b cause the " 1459 "option to be unset.]" 1460"[+?\bset\b without any options or arguments displays the names and " 1461 "values of all shell variables in the order of the collation " 1462 "sequence in the current locale. The values are quoted so that " 1463 "they are suitable for reinput to the shell.]" 1464"[+?If no \aarg\as are specified, not even the end of options argument \b--\b, " 1465 "the positional parameters are unchanged. Otherwise, unless " 1466 "the \b-A\b options has been specified, the positional parameters " 1467 "are replaced by the list of \aarg\as. A first \aarg\a of " 1468 "\b--\b is ignored when setting positional parameters.]" 1469"[+?For backward compatibility, a \bset\b command without any options " 1470 "specified whose first \aarg\a is \b-\b will turn off " 1471 "the \b-v\b and \b-x\b options. If any additional \aarg\as " 1472 "are specified, they will replace the positional parameters.]" 1473"[s?Sort the positional parameters.]" 1474"[A]:[name?Assign the arguments sequentially to the array named by \aname\a " 1475 "starting at subscript 0 rather than to the positional parameters.]" 1476"\fabc\f" 1477"[06:default?Restore all non-command line options to the default settings.]" 1478"[07:state?List the current option state in the form of a \bset\b command " 1479 "that can be executed to restore the state.]" 1480"\n" 1481"\n[arg ...]\n" 1482"\n" 1483"[+EXIT STATUS?]{" 1484 "[+0?No errors occurred.]" 1485 "[+>0?An error occurred.]" 1486"}" 1487 1488"[+SEE ALSO?\btypeset\b(1), \bshift\b(1)]" 1489; 1490 1491 1492 1493const char sh_optshift[] = 1494"[-1c?\n@(#)$Id: shift (AT&T Research) 1999-07-07 $\n]" 1495USAGE_LICENSE 1496"[+NAME?shift - shift positional parameters]" 1497"[+DESCRIPTION?\bshift\b is a shell special built-in that shifts the " 1498 "positional parameters to the left by the number of places " 1499 "defined by \an\a, or \b1\b if \an\a is omitted. The number of " 1500 "positional parameters remaining will be reduced by the " 1501 "number of places that are shifted.]" 1502"[+?If \an\a is given, it will be evaluated as an arithmetic expression " 1503 "to determinate the number of places to shift. It is an error " 1504 "to shift more than the number of positional parameters or a " 1505 "negative number of places.]" 1506"\n" 1507"\n[n]\n" 1508"\n" 1509"[+EXIT STATUS?]{" 1510 "[+0?The positional parameters were successfully shifted.]" 1511 "[+>0?An error occurred.]" 1512"}" 1513"[+SEE ALSO?\bset\b(1)]" 1514; 1515 1516const char sh_optsleep[] = 1517"[-1c?\n@(#)$Id: sleep (AT&T Research) 2009-03-12 $\n]" 1518USAGE_LICENSE 1519"[+NAME?sleep - suspend execution for an interval]" 1520"[+DESCRIPTION?\bsleep\b suspends execution for at least the time specified " 1521 "by \aduration\a or until a \bSIGALRM\b signal is received. " 1522 "\aduration\a may be one of the following:]" 1523"{" 1524 "[+integer?The number of seconds to sleep.]" 1525 "[+floating point?The number of seconds to sleep. The actual " 1526 "granularity depends on the underlying system, normally " 1527 "around 1 millisecond.]" 1528 "[+P\an\a\bY\b\an\a\bM\b\an\a\bDT\b\an\a\bH\b\an\a\bM\b\an\a\bS?An ISO 8601 duration " 1529 "where at least one of the duration parts must be specified.]" 1530 "[+P\an\a\bW?An ISO 8601 duration specifying \an\a weeks.]" 1531 "[+p\an\a\bY\b\an\a\bM\b\an\a\bDT\b\an\a\bH\b\an\a\bm\b\an\a\bS?A case insensitive " 1532 "ISO 8601 duration except that \bM\b specifies months, \bm\b before \bs\b or \bS\b " 1533 "specifies minutes and after specifies milliseconds, \bu\b or \bU\b specifies " 1534 "microseconds, and \bn\b specifies nanoseconds.]" 1535 "[+date/time?Sleep until the \bdate\b(1) compatible date/time.]" 1536"}" 1537"[s?Sleep until a signal or a timeout is received. If \aduration\a is omitted " 1538 "or 0 then no timeout will be used.]" 1539"\n" 1540"\n[ duration ]\n" 1541"\n" 1542"[+EXIT STATUS?]{" 1543 "[+0?The execution was successfully suspended for at least \aduration\a " 1544 "or a \bSIGALRM\b signal was received.]" 1545 "[+>0?An error occurred.]" 1546"}" 1547"[+SEE ALSO?\bdate\b(1), \btime\b(1), \bwait\b(1)]" 1548; 1549 1550const char sh_opttrap[] = 1551"[-1c?\n@(#)$Id: trap (AT&T Research) 1999-07-17 $\n]" 1552USAGE_LICENSE 1553"[+NAME?trap - trap signals and conditions]" 1554"[+DESCRIPTION?\btrap\b is a special built-in that defines actions to be " 1555 "taken when conditions such as receiving a signal occur. Also, " 1556 "\btrap\b can be used to display the current trap settings on " 1557 "standard output.]" 1558"[+?If \aaction\a is \b-\b, \btrap\b resets each \acondition\a " 1559 "to the default value. If \aaction\a is an empty string, the " 1560 "shell ignores each of the \acondition\as if they arise. " 1561 "Otherwise, the argument \aaction\a will be read and executed " 1562 "by the shell as if it were processed by \beval\b(1) when one " 1563 "of the corresponding conditions arise. The action of the trap " 1564 "will override any previous action associated with each specified " 1565 "\acondition\a. The value of \b$?\b is not altered by the trap " 1566 "execution.]" 1567"[+?\acondition\a can be the name or number of a signal, or one of the " 1568 "following:]{" 1569 "[+EXIT?This trap is executed when the shell exits. If defined " 1570 "within a function defined with the \bfunction\b reserved " 1571 "word, the trap is executed in the caller's environment " 1572 "when the function returns and the trap action is restored " 1573 "to the value it had when it called the function.]" 1574 "[+0?Same as EXIT.]" 1575 "[+DEBUG?Executed before each simple command is executed but after " 1576 "the arguments are expanded.]" 1577 "[+ERR?Executed whenever \bset -e\b would cause the shell to exit.]" 1578 "[+KEYBD?Executed when a key is entered from a terminal device.]" 1579"}" 1580"[+?Signal names are case insensitive and the \bsig\b prefix is optional. " 1581 "Signals that were ignored on entry to a noninteractive shell cannot " 1582 "trapped or reset although doing so will not report an error. The " 1583 "use of signal numbers other than \b1\b, \b2\b, \b3\b, \b6\b, " 1584 "\b9\b, \b14\b, and \b15\b is not portable.]" 1585"[+?Although \btrap\b is a special built-in, specifying a condition that " 1586 "the shell does not know about causes \btrap\b to exit with a " 1587 "non-zero exit status, but does not terminate the invoking shell.]" 1588"[+?If no \aaction\a or \acondition\as are specified then all the current " 1589 "trap settings are written to standard output.]" 1590"[p?Causes the current traps to be output in a format that can be processed " 1591 "as input to the shell to recreate the current traps.]" 1592"\n" 1593"\n[action condition ...]\n" 1594"\n" 1595"[+EXIT STATUS?]{" 1596 "[+0?Successful completion.]" 1597 "[+>0?An error occurred.]" 1598"}" 1599 1600"[+SEE ALSO?\bkill\b(1), \beval\b(1), \bsignal\b(3)]" 1601; 1602 1603const char sh_opttypeset[] = 1604"+[-1c?\n@(#)$Id: typeset (AT&T Research) 2010-12-08 $\n]" 1605USAGE_LICENSE 1606"[+NAME?\f?\f - declare or display variables with attributes]" 1607"[+DESCRIPTION?Without the \b-f\b option, \b\f?\f\b sets, unsets, " 1608 "or displays attributes of variables as specified with the " 1609 "options. If the first option is specified with a \b-\b " 1610 "then the attributes are set for each of the given \aname\as. " 1611 "If the first option is specified with a \b+\b, then the specified " 1612 "attributes are unset. If \b=\b\avalue\a is specified value is " 1613 "assigned before the attributes are set.]" 1614"[+?When \b\f?\f\b is called inside a function defined with the " 1615 "\bfunction\b reserved word, and \aname\a does not contain a " 1616 "\b.\b, then a local variable statically scoped to that function " 1617 "will be created.]" 1618"[+?Not all option combinations are possible. For example, the numeric " 1619 "options \b-i\b, \b-E\b, and \b-F\b cannot be specified with " 1620 "the justification options \b-L\b, \b-R\b, and \b-Z\b.]" 1621"[+?Note that the following preset aliases are set by the shell:]{" 1622 "[+compound?\b\f?\f -C\b.]" 1623 "[+float?\b\f?\f -lE\b.]" 1624 "[+functions?\b\f?\f -f\b.]" 1625 "[+integer?\b\f?\f -li\b.]" 1626 "[+nameref?\b\f?\f -n\b.]" 1627"}" 1628"[+?If no \aname\as are specified then variables that have the specified " 1629 "options are displayed. If the first option is specified with " 1630 "a leading \b-\b then the name and value of each variable is " 1631 "written to standard output. Otherwise, only the names are " 1632 "written. If no options are specified or just \b-p\b is " 1633 "specified, then the names and attributes of all variables that have " 1634 "attributes are written to standard output. When \b-f\b is specified, " 1635 "the names displayed will be function names.]" 1636"[+?If \b-f\b is specified, then each \aname\a refers to a function " 1637 "and the only valid options are \b-u\b and \b-t\b. In this " 1638 "case no \b=\b\avalue\a can be specified.]" 1639"[+?\b\f?\f\b is built-in to the shell as a declaration command so that " 1640 "field splitting and pathname expansion are not performed on " 1641 "the arguments. Tilde expansion occurs on \avalue\a.]" 1642#if 1 1643"[a]:?[type?Indexed array. This is the default. If \b[\b\atype\a\b]]\b is " 1644 "specified, each subscript is interpreted as a value of type \atype\a.]" 1645#else 1646"[a?Indexed array. this is the default.]" 1647#endif 1648"[b?Each \aname\a may contain binary data. Its value is the mime " 1649 "base64 encoding of the data. It can be used with \b-Z\b, " 1650 "to specify fixed sized fields.]" 1651"[f?Each of the options and \aname\as refers to a function.]" 1652"[i]#?[base:=10?An integer. \abase\a represents the arithmetic base " 1653 "from 2 to 64.]" 1654"[l?Without \b-i\b, sets character mapping to \btolower\b. When used " 1655 "with \b-i\b, \b-E\b, or \b-F\b indicates long variant.]" 1656"[m?Move. The value is the name of a variable whose value will be " 1657 "moved to \aname\a. The orignal variable will be unset. Cannot be " 1658 "used with any other options.]" 1659"[n?Name reference. The value is the name of a variable that \aname\a " 1660 "references. \aname\a cannot contain a \b.\b. Cannot be use with " 1661 "any other options.]" 1662"[p?Causes the output to be in a format that can be used as input to the " 1663 "shell to recreate the attributes for variables.]" 1664"[r?Enables readonly. Once enabled it cannot be disabled. See " 1665 "\breadonly\b(1).]" 1666"[s?Used with \b-i\b to restrict integer size to short.]" 1667"[t?When used with \b-f\b, enables tracing for each of the specified " 1668 "functions. Otherwise, \b-t\b is a user defined attribute and " 1669 "has no meaning to the shell.]" 1670"[u?Without \b-f\b or \b-i\b, sets character mapping to \btoupper\b. When " 1671 "used with \b-f\b specifies that \aname\a is a function " 1672 "that hasn't been loaded yet. With \b-i\b specifies that the " 1673 "value will be displayed as an unsigned integer.]" 1674"[x?Puts each \aname\a on the export list. See \bexport\b(1). \aname\a " 1675 "cannot contain a \b.\b.]" 1676"[A?Associative array. Each \aname\a will converted to an associate " 1677 "array. If a variable already exists, the current value will " 1678 "become index \b0\b.]" 1679"[C?Compound variable. Each \aname\a will be a compound variable. If " 1680 "\avalue\a names a compound variable it will be copied to \aname\a. " 1681 "Otherwise if the variable already exists, it will first be unset.]" 1682"[E]#?[n:=10?Floating point number represented in scientific notation. " 1683 "\an\a specifies the number of significant figures when the " 1684 "value is expanded.]" 1685"[F]#?[n:=10?Floating point. \an\a is the number of places after the " 1686 "decimal point when the value is expanded.]" 1687"[H?Hostname mapping. Each \aname\a holds a native pathname. Assigning a " 1688 "UNIX format pathname will cause it to be converted to a pathname " 1689 "suitable for the current host. This has no effect when the " 1690 "native system is UNIX.]" 1691"[L]#?[n?Left justify. If \an\a is given it represents the field width. If " 1692 "the \b-Z\b attribute is also specified, then leading zeros are " 1693 "stripped.]" 1694"[M]:?[mapping?\amapping\a is the name of a character mapping known by " 1695 "\bwctrans\b(3) such as \btolower\b or \btoupper\b. When the option " 1696 "value \bmapping\b is omitted and there are no operands, all mapped " 1697 "variables are displayed.]" 1698"[R]#?[n?Right justify. If \an\a is given it represents the field width. If " 1699 "the \b-Z\b attribute is also specified, then zeros will " 1700 "be used as the fill character. Otherwise, spaces are used.]" 1701"[X]#?[n:=2*sizeof(long long)?Floating point number represented in hexadecimal " 1702 "notation. \an\a specifies the number of significant figures when the " 1703 "value is expanded.]" 1704 1705#ifdef SHOPT_TYPEDEF 1706"[h]:[string?Used within a type definition to provide a help string " 1707 "for variable \aname\a. Otherwise, it is ignored.]" 1708"[S?Used with a type definition to indicate that the variable is shared by " 1709 "each instance of the type. When used inside a function defined " 1710 "with the \bfunction\b reserved word, the specified variables " 1711 "will have function static scope. Otherwise, the variable is " 1712 "unset prior to processing the assignment list.]" 1713#endif 1714"[T]:?[tname?\atname\a is the name of a type name given to each \aname\a.]" 1715"[Z]#?[n?Zero fill. If \an\a is given it represents the field width.]" 1716"\n" 1717"\n[name[=value]...]\n" 1718" -f [name...]\n" 1719"\n" 1720"[+EXIT STATUS?]{" 1721 "[+0?No errors occurred.]" 1722 "[+>0?An error occurred.]" 1723"}" 1724 1725"[+SEE ALSO?\breadonly\b(1), \bexport\b(1)]" 1726; 1727 1728const char sh_optulimit[] = 1729"[-1c?@(#)$Id: ulimit (AT&T Research) 2003-06-21 $\n]" 1730USAGE_LICENSE 1731"[+NAME?ulimit - set or display resource limits]" 1732"[+DESCRIPTION?\bulimit\b sets or displays resource limits. These " 1733 "limits apply to the current process and to each child process " 1734 "created after the resource limit has been set. If \alimit\a " 1735 "is specified, the resource limit is set, otherwise, its current value " 1736 "is displayed on standard output.]" 1737"[+?Increasing the limit for a resource usually requires special privileges. " 1738 "Some systems allow you to lower resource limits and later increase " 1739 "them. These are called soft limits. Once a hard limit is " 1740 "set the resource can not be increased.]" 1741"[+?Different systems allow you to specify different resources and some " 1742 "restrict how much you can raise the limit of the resource.]" 1743"[+?The value of \alimit\a depends on the unit of the resource listed " 1744 "for each resource. In addition, \alimit\a can be \bunlimited\b " 1745 "to indicate no limit for that resource.]" 1746"[+?If you do not specify \b-H\b or \b-S\b, then \b-S\b is used for " 1747 "listing and both \b-S\b and \b-H\b are used for setting resources.]" 1748"[+?If you do not specify any resource, the default is \b-f\b.]" 1749"[H?A hard limit is set or displayed.]" 1750"[S?A soft limit is set or displayed.]" 1751"[a?Displays all current resource limits]" 1752"\flimits\f" 1753"\n" 1754"\n[limit]\n" 1755"\n" 1756"[+EXIT STATUS?]{" 1757 "[+0?Successful completion.]" 1758 "[+>0?A request for a higher limit was rejected or an error occurred.]" 1759"}" 1760 1761"[+SEE ALSO?\bulimit\b(2), \bgetrlimit\b(2)]" 1762; 1763 1764const char sh_optumask[] = 1765"[-1c?\n@(#)$Id: umask (AT&T Research) 1999-04-07 $\n]" 1766USAGE_LICENSE 1767"[+NAME?umask - get or set the file creation mask]" 1768"[+DESCRIPTION?\bumask\b sets the file creation mask of the current " 1769 "shell execution environment to the value specified by the " 1770 "\amask\a operand. This mask affects the file permission bits " 1771 "of subsequently created files. \amask\a can either be an " 1772 "octal number or a symbolic value as described in \bchmod\b(1). " 1773 "If a symbolic value is given, the new file creation mask is the " 1774 "complement of the result of applying \amask\a to the complement " 1775 "of the current file creation mask.]" 1776"[+?If \amask\a is not specified, \bumask\b writes the value of the " 1777 "file creation mask for the current process to standard output.]" 1778"[S?Causes the file creation mask to be written or treated as a symbolic value " 1779 "rather than an octal number.]" 1780"\n" 1781"\n[mask]\n" 1782"\n" 1783"[+EXIT STATUS?]{" 1784 "[+0?The file creation mask was successfully changed, or no " 1785 "\amask\a operand was supplied.]" 1786 "[+>0?An error occurred.]" 1787"}" 1788"[+SEE ALSO?\bchmod\b(1)]" 1789; 1790const char sh_optuniverse[] = " [name]"; 1791const char sh_optunset[] = 1792"[-1c?\n@(#)$Id: unset (AT&T Research) 1999-07-07 $\n]" 1793USAGE_LICENSE 1794"[+NAME?unset - unset values and attributes of variables and functions]" 1795"[+DESCRIPTION?For each \aname\a specified, \bunset\b unsets the variable, " 1796 "or function if \b-f\b is specified, from the current shell " 1797 "execution environment. Readonly variables cannot be unset.]" 1798"[n?If \aname\a refers to variable that is a reference, the variable \aname\a " 1799 "will be unset rather than the variable it references. Otherwise, " 1800 "is is equivalent to \b-v\b.]" 1801"[f?\aname\a refers to a function name and the shell will unset the " 1802 "function definition.]" 1803"[v?\aname\a refers to a variable name and the shell will unset it and " 1804 "remove it from the environment. This is the default behavior.]" 1805"\n" 1806"\nname...\n" 1807"\n" 1808"[+EXIT STATUS?]{" 1809 "[+0?All \aname\as were successfully unset.]" 1810 "[+>0?One or more \aname\a operands could not be unset " 1811 "or an error occurred.]" 1812"}" 1813 1814"[+SEE ALSO?\btypeset\b(1)]" 1815; 1816 1817const char sh_optunalias[] = 1818"[-1c?\n@(#)$Id: unalias (AT&T Research) 1999-07-07 $\n]" 1819USAGE_LICENSE 1820"[+NAME?unalias - remove alias definitions]" 1821"[+DESCRIPTION?\bunalias\b removes the definition of each named alias " 1822 "from the current shell execution environment, or all aliases if " 1823 "\b-a\b is specified. It will not affect any commands that " 1824 "have already been read and subsequently executed.]" 1825"[a?Causes all alias definitions to be removed. \aname\a operands " 1826 "are optional and ignored in this case.]" 1827"\n" 1828"\nname...\n" 1829"\n" 1830"[+EXIT STATUS?]{" 1831 "[+0?Successful completion.]" 1832 "[+>0?\b-a\b was not specified and one or more \aname\a operands " 1833 "did not have an alias definition, or an error occurred.]" 1834"}" 1835 1836"[+SEE ALSO?\balias\b(1)]" 1837; 1838 1839const char sh_optwait[] = 1840"[-1c?\n@(#)$Id: wait (AT&T Research) 1999-06-17 $\n]" 1841USAGE_LICENSE 1842"[+NAME?wait - wait for process or job completion]" 1843"[+DESCRIPTION?\bwait\b with no operands, waits until all jobs " 1844 "known to the invoking shell have terminated. If one or more " 1845 "\ajob\a operands are specified, \bwait\b waits until all of them " 1846 "have completed.]" 1847_JOB_ 1848"[+?If one ore more \ajob\a operands is a process id or process group id " 1849 "not known by the current shell environment, \bwait\b treats each " 1850 "of them as if it were a process that exited with status 127.]" 1851"\n" 1852"\n[job ...]\n" 1853"\n" 1854"[+EXIT STATUS?If \await\a is invoked with one or more \ajob\as, and all of " 1855 "them have terminated or were not known by the invoking shell, " 1856 "the exit status of \bwait\b will be that of the last \ajob\a. " 1857 "Otherwise, it will be one of the following:]{" 1858 "[+0?\bwait\b utility was invoked with no operands and all " 1859 "processes known by the invoking process have terminated.]" 1860 "[+127?\ajob\a is a process id or process group id that is unknown " 1861 "to the current shell environment.]" 1862"}" 1863 1864"[+SEE ALSO?\bjobs\b(1), \bps\b(1)]" 1865; 1866 1867#if SHOPT_FS_3D 1868 const char sh_optvpath[] = " [top] [base]"; 1869 const char sh_optvmap[] = " [dir] [list]"; 1870#endif /* SHOPT_FS_3D */ 1871 1872const char sh_optwhence[] = 1873"[-1c?\n@(#)$Id: whence (AT&T Research) 2007-04-24 $\n]" 1874USAGE_LICENSE 1875"[+NAME?whence - locate a command and describe its type]" 1876"[+DESCRIPTION?Without \b-v\b, \bwhence\b writes on standard output an " 1877 "absolute pathname, if any, corresponding to \aname\a based " 1878 "on the complete search order that the shell uses. If \aname\a " 1879 "is not found, then no output is produced.]" 1880"[+?If \b-v\b is specified, the output will also contain information " 1881 "that indicates how the given \aname\a would be interpreted by " 1882 "the shell in the current execution environment.]" 1883"[a?Displays all uses for each \aname\a rather than the first.]" 1884"[f?Do not check for functions.]" 1885"[p?Do not check to see if \aname\a is a reserved word, a built-in, " 1886 "an alias, or a function. This turns off the \b-v\b option.]" 1887"[q?Quiet mode. Returns 0 if all arguments are built-ins, functions, or are " 1888 "programs found on the path.]" 1889"[v?For each name you specify, the shell displays a line that indicates " 1890 "if that name is one of the following:]{" 1891 "[+?Reserved word]" 1892 "[+?Alias]" 1893 "[+?Built-in]" 1894 "[+?Undefined function]" 1895 "[+?Function]" 1896 "[+?Tracked alias]" 1897 "[+?Program]" 1898"}" 1899"\n" 1900"\nname ...\n" 1901"\n" 1902"[+EXIT STATUS?]{" 1903 "[+0?Each \aname\a was found by the shell.]" 1904 "[+1?One or more \aname\as were not found by the shell.]" 1905 "[+>1?An error occurred.]" 1906"}" 1907 1908"[+SEE ALSO?\bcommand\b(1)]" 1909; 1910 1911 1912const char e_alrm1[] = "alarm -r %s +%.3g\n"; 1913const char e_alrm2[] = "alarm %s %.3f\n"; 1914const char e_baddisc[] = "%s: invalid discipline function"; 1915const char e_nospace[] = "out of memory"; 1916const char e_nofork[] = "cannot fork"; 1917const char e_nosignal[] = "%s: unknown signal name"; 1918const char e_condition[] = "condition(s) required"; 1919const char e_cneedsarg[] = "-c requires argument"; 1920