1/*
2 * rlcat - cat(1) using readline
3 *
4 * usage: rlcat
5 */
6
7/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
8
9 This file is part of the GNU Readline Library, a library for
10 reading lines of text with interactive input and history editing.
11
12 The GNU Readline Library is free software; you can redistribute it
13 and/or modify it under the terms of the GNU General Public License
14 as published by the Free Software Foundation; either version 2, or
15 (at your option) any later version.
16
17 The GNU Readline Library is distributed in the hope that it will be
18 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
19 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 The GNU General Public License is often shipped with GNU software, and
23 is generally kept in a file called COPYING or LICENSE. If you do not
24 have a copy of the license, write to the Free Software Foundation,
25 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
26
27#if defined (HAVE_CONFIG_H)
28# include <config.h>
29#endif
30
31#ifdef HAVE_UNISTD_H
32# include <unistd.h>
33#endif
34
35#include <sys/types.h>
36#include "posixstat.h"
37
38#include <stdio.h>
39#include <ctype.h>
40#include <string.h>
41#include <errno.h>
42
43#ifndef errno
44extern int errno;
45#endif
46
47#if defined (READLINE_LIBRARY)
48# include "readline.h"
49# include "history.h"
50#else
51# include <readline/readline.h>
52# include <readline/history.h>
53#endif
54
55extern int optind;
56extern char *optarg;
57
58static int stdcat();
59
60static char *progname;
61static int vflag;
62
63static void
64usage()
65{
66 fprintf (stderr, "%s: usage: %s [-vEVN] [filename]\n", progname, progname);
67}
68
69int
70main (argc, argv)
71 int argc;
72 char **argv;
73{
74 char *temp;
75 int opt, Vflag, Nflag;
76
77 progname = strrchr(argv[0], '/');
78 if (progname == 0)
79 progname = argv[0];
80 else
81 progname++;
82
83 vflag = Vflag = Nflag = 0;
84 while ((opt = getopt(argc, argv, "vEVN")) != EOF)
85 {
86 switch (opt)
87 {
88 case 'v':
89 vflag = 1;
90 break;
91 case 'V':
92 Vflag = 1;
93 break;
94 case 'E':
95 Vflag = 0;
96 break;
97 case 'N':
98 Nflag = 1;
99 break;
100 default:
101 usage ();
102 exit (2);
103 }
104 }
105
106 argc -= optind;
107 argv += optind;
108
109 if (isatty(0) == 0 || argc || Nflag)
110 return stdcat(argc, argv);
111
112 rl_variable_bind ("editing-mode", Vflag ? "vi" : "emacs");
113 while (temp = readline (""))
114 {
115 if (*temp)
116 add_history (temp);
117 printf ("%s\n", temp);
118 }
119
120 return (ferror (stdout));
121}
122
123static int
124fcopy(fp)
125 FILE *fp;
126{
127 int c;
128 char *x;
129
130 while ((c = getc(fp)) != EOF)
131 {
132 if (vflag && isascii ((unsigned char)c) && isprint((unsigned char)c) == 0)
133 {
134 x = rl_untranslate_keyseq (c);
135 if (fputs (x, stdout) != 0)
136 return 1;
137 }
138 else if (putchar (c) == EOF)
139 return 1;
140 }
141 return (ferror (stdout));
142}
143
144int
145stdcat (argc, argv)
146 int argc;
147 char **argv;
148{
149 int i, fd, r;
150 char *s;
151 FILE *fp;
152
153 if (argc == 0)
154 return (fcopy(stdin));
155
156 for (i = 0, r = 1; i < argc; i++)
157 {
158 if (*argv[i] == '-' && argv[i][1] == 0)
159 fp = stdin;
160 else
161 {
162 fp = fopen (argv[i], "r");
163 if (fp == 0)
164 {
165 fprintf (stderr, "%s: %s: cannot open: %s\n", progname, argv[i], strerror(errno));
166 continue;
167 }
168 }
169 r = fcopy (fp);
170 if (fp != stdin)
171 fclose(fp);
172 }
173 return r;
174}
2 * rlcat - cat(1) using readline
3 *
4 * usage: rlcat
5 */
6
7/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
8
9 This file is part of the GNU Readline Library, a library for
10 reading lines of text with interactive input and history editing.
11
12 The GNU Readline Library is free software; you can redistribute it
13 and/or modify it under the terms of the GNU General Public License
14 as published by the Free Software Foundation; either version 2, or
15 (at your option) any later version.
16
17 The GNU Readline Library is distributed in the hope that it will be
18 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
19 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 The GNU General Public License is often shipped with GNU software, and
23 is generally kept in a file called COPYING or LICENSE. If you do not
24 have a copy of the license, write to the Free Software Foundation,
25 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
26
27#if defined (HAVE_CONFIG_H)
28# include <config.h>
29#endif
30
31#ifdef HAVE_UNISTD_H
32# include <unistd.h>
33#endif
34
35#include <sys/types.h>
36#include "posixstat.h"
37
38#include <stdio.h>
39#include <ctype.h>
40#include <string.h>
41#include <errno.h>
42
43#ifndef errno
44extern int errno;
45#endif
46
47#if defined (READLINE_LIBRARY)
48# include "readline.h"
49# include "history.h"
50#else
51# include <readline/readline.h>
52# include <readline/history.h>
53#endif
54
55extern int optind;
56extern char *optarg;
57
58static int stdcat();
59
60static char *progname;
61static int vflag;
62
63static void
64usage()
65{
66 fprintf (stderr, "%s: usage: %s [-vEVN] [filename]\n", progname, progname);
67}
68
69int
70main (argc, argv)
71 int argc;
72 char **argv;
73{
74 char *temp;
75 int opt, Vflag, Nflag;
76
77 progname = strrchr(argv[0], '/');
78 if (progname == 0)
79 progname = argv[0];
80 else
81 progname++;
82
83 vflag = Vflag = Nflag = 0;
84 while ((opt = getopt(argc, argv, "vEVN")) != EOF)
85 {
86 switch (opt)
87 {
88 case 'v':
89 vflag = 1;
90 break;
91 case 'V':
92 Vflag = 1;
93 break;
94 case 'E':
95 Vflag = 0;
96 break;
97 case 'N':
98 Nflag = 1;
99 break;
100 default:
101 usage ();
102 exit (2);
103 }
104 }
105
106 argc -= optind;
107 argv += optind;
108
109 if (isatty(0) == 0 || argc || Nflag)
110 return stdcat(argc, argv);
111
112 rl_variable_bind ("editing-mode", Vflag ? "vi" : "emacs");
113 while (temp = readline (""))
114 {
115 if (*temp)
116 add_history (temp);
117 printf ("%s\n", temp);
118 }
119
120 return (ferror (stdout));
121}
122
123static int
124fcopy(fp)
125 FILE *fp;
126{
127 int c;
128 char *x;
129
130 while ((c = getc(fp)) != EOF)
131 {
132 if (vflag && isascii ((unsigned char)c) && isprint((unsigned char)c) == 0)
133 {
134 x = rl_untranslate_keyseq (c);
135 if (fputs (x, stdout) != 0)
136 return 1;
137 }
138 else if (putchar (c) == EOF)
139 return 1;
140 }
141 return (ferror (stdout));
142}
143
144int
145stdcat (argc, argv)
146 int argc;
147 char **argv;
148{
149 int i, fd, r;
150 char *s;
151 FILE *fp;
152
153 if (argc == 0)
154 return (fcopy(stdin));
155
156 for (i = 0, r = 1; i < argc; i++)
157 {
158 if (*argv[i] == '-' && argv[i][1] == 0)
159 fp = stdin;
160 else
161 {
162 fp = fopen (argv[i], "r");
163 if (fp == 0)
164 {
165 fprintf (stderr, "%s: %s: cannot open: %s\n", progname, argv[i], strerror(errno));
166 continue;
167 }
168 }
169 r = fcopy (fp);
170 if (fp != stdin)
171 fclose(fp);
172 }
173 return r;
174}