2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Adam S. Moskowitz of Menlo Consulting.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved.
37 * @(#)paste.c 8.1 (Berkeley) 6/6/93
38 * $FreeBSD: src/usr.bin/paste/paste.c,v 1.6.2.2 2002/07/14 15:16:00 tjr Exp $
39 * $DragonFly: src/usr.bin/paste/paste.c,v 1.3 2004/12/15 23:11:06 cpressey Exp $
42 #include <sys/types.h>
55 int parallel(char **);
56 int sequential(char **);
58 static void usage(void);
63 main(int argc, char *argv[])
68 while ((ch = getopt(argc, argv, "d:s")) != -1)
71 delimcnt = tr(delim = optarg);
91 rval = sequential(argv);
93 rval = parallel(argv);
97 typedef struct _list {
105 parallel(char **argv)
115 for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) {
116 if ((lp = malloc(sizeof(LIST))) == NULL)
118 if (p[0] == '-' && !p[1])
120 else if (!(lp->fp = fopen(p, "r")))
133 for (opencnt = cnt; opencnt;) {
134 for (output = 0, lp = head; lp; lp = lp->next) {
136 if (output && lp->cnt &&
137 (ch = delim[(lp->cnt - 1) % delimcnt]))
141 if ((buf = fgetln(lp->fp, &len)) == NULL) {
145 if (output && lp->cnt &&
146 (ch = delim[(lp->cnt - 1) % delimcnt]))
151 * make sure that we don't print any delimiters
152 * unless there's a non-empty file.
156 for (cnt = 0; cnt < lp->cnt; ++cnt)
157 if ((ch = delim[cnt % delimcnt]))
159 } else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
161 if (buf[len - 1] == '\n')
163 fwrite(buf, 1, len, stdout);
173 sequential(char **argv)
176 int cnt, failed, needdelim;
181 for (; (p = *argv); ++argv) {
182 if (p[0] == '-' && !p[1])
184 else if (!(fp = fopen(p, "r"))) {
190 while ((buf = fgetln(fp, &len)) != NULL) {
193 if (delim[cnt] != '\0')
195 if (++cnt == delimcnt)
198 if (buf[len - 1] == '\n')
200 fwrite(buf, 1, len, stdout);
209 return (failed != 0);
218 for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
237 errx(1, "no delimiters specified");
244 (void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n");