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
38 static const char copyright[] =
39 "@(#) Copyright (c) 1989, 1993\n\
40 The Regents of the University of California. All rights reserved.\n";
45 static char sccsid[] = "@(#)paste.c 8.1 (Berkeley) 6/6/93";
49 #include <sys/cdefs.h>
50 __FBSDID("$FreeBSD: src/usr.bin/paste/paste.c,v 1.6.2.2 2002/07/14 15:16:00 tjr Exp $");
52 #include <sys/types.h>
65 int parallel(char **);
66 int sequential(char **);
68 static void usage(void);
73 main(int argc, char *argv[])
78 while ((ch = getopt(argc, argv, "d:s")) != -1)
81 delimcnt = tr(delim = optarg);
101 rval = sequential(argv);
103 rval = parallel(argv);
107 typedef struct _list {
115 parallel(char **argv)
124 for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) {
125 if ((lp = malloc(sizeof(LIST))) == NULL)
127 if (p[0] == '-' && !p[1])
129 else if (!(lp->fp = fopen(p, "r")))
142 for (opencnt = cnt; opencnt;) {
143 for (output = 0, lp = head; lp; lp = lp->next) {
145 if (output && lp->cnt &&
146 (ch = delim[(lp->cnt - 1) % delimcnt]))
150 if ((buf = fgetln(lp->fp, &len)) == NULL) {
154 if (output && lp->cnt &&
155 (ch = delim[(lp->cnt - 1) % delimcnt]))
160 * make sure that we don't print any delimiters
161 * unless there's a non-empty file.
165 for (cnt = 0; cnt < lp->cnt; ++cnt)
166 if ((ch = delim[cnt % delimcnt]))
168 } else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
170 if (buf[len - 1] == '\n')
172 fwrite(buf, 1, len, stdout);
182 sequential(char **argv)
185 int cnt, failed, needdelim;
190 for (; (p = *argv); ++argv) {
191 if (p[0] == '-' && !p[1])
193 else if (!(fp = fopen(p, "r"))) {
199 while ((buf = fgetln(fp, &len)) != NULL) {
202 if (delim[cnt] != '\0')
204 if (++cnt == delimcnt)
207 if (buf[len - 1] == '\n')
209 fwrite(buf, 1, len, stdout);
218 return (failed != 0);
227 for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
246 errx(1, "no delimiters specified");
253 (void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n");