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 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved.
33 * @(#)paste.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/paste/paste.c,v 1.6.2.2 2002/07/14 15:16:00 tjr Exp $
35 * $DragonFly: src/usr.bin/paste/paste.c,v 1.3 2004/12/15 23:11:06 cpressey Exp $
38 #include <sys/types.h>
51 int parallel(char **);
52 int sequential(char **);
54 static void usage(void);
59 main(int argc, char *argv[])
64 while ((ch = getopt(argc, argv, "d:s")) != -1)
67 delimcnt = tr(delim = optarg);
87 rval = sequential(argv);
89 rval = parallel(argv);
93 typedef struct _list {
101 parallel(char **argv)
111 for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) {
112 if ((lp = malloc(sizeof(LIST))) == NULL)
114 if (p[0] == '-' && !p[1])
116 else if (!(lp->fp = fopen(p, "r")))
129 for (opencnt = cnt; opencnt;) {
130 for (output = 0, lp = head; lp; lp = lp->next) {
132 if (output && lp->cnt &&
133 (ch = delim[(lp->cnt - 1) % delimcnt]))
137 if ((buf = fgetln(lp->fp, &len)) == NULL) {
141 if (output && lp->cnt &&
142 (ch = delim[(lp->cnt - 1) % delimcnt]))
147 * make sure that we don't print any delimiters
148 * unless there's a non-empty file.
152 for (cnt = 0; cnt < lp->cnt; ++cnt)
153 if ((ch = delim[cnt % delimcnt]))
155 } else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
157 if (buf[len - 1] == '\n')
159 fwrite(buf, 1, len, stdout);
169 sequential(char **argv)
172 int cnt, failed, needdelim;
177 for (; (p = *argv); ++argv) {
178 if (p[0] == '-' && !p[1])
180 else if (!(fp = fopen(p, "r"))) {
186 while ((buf = fgetln(fp, &len)) != NULL) {
189 if (delim[cnt] != '\0')
191 if (++cnt == delimcnt)
194 if (buf[len - 1] == '\n')
196 fwrite(buf, 1, len, stdout);
205 return (failed != 0);
214 for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
233 errx(1, "no delimiters specified");
240 (void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n");