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/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Adam S. Moskowitz of Menlo Consulting.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
/*static char sccsid[] = "from: @(#)paste.c 5.7 (Berkeley) 10/30/90";*/
static char rcsid[] = "$Id: paste.c,v 1.1 1995/10/18 08:45:54 deraadt Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
char *delim;
int delimcnt;
main(argc, argv)
int argc;
char **argv;
{
extern char *optarg;
extern int optind;
int ch, seq;
seq = 0;
while ((ch = getopt(argc, argv, "d:s")) != EOF)
switch(ch) {
case 'd':
delimcnt = tr(delim = optarg);
break;
case 's':
seq = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (!delim) {
delimcnt = 1;
delim = "\t";
}
if (seq)
sequential(argv);
else
parallel(argv);
exit(0);
}
typedef struct _list {
struct _list *next;
FILE *fp;
int cnt;
char *name;
} LIST;
parallel(argv)
char **argv;
{
register LIST *lp;
register int cnt;
register char ch, *p;
LIST *head, *tmp;
int opencnt, output;
char buf[_POSIX2_LINE_MAX + 1], *malloc();
for (cnt = 0, head = NULL; p = *argv; ++argv, ++cnt) {
if (!(lp = (LIST *)malloc((u_int)sizeof(LIST)))) {
(void)fprintf(stderr, "paste: %s.\n", strerror(ENOMEM));
exit(1);
}
if (p[0] == '-' && !p[1])
lp->fp = stdin;
else if (!(lp->fp = fopen(p, "r"))) {
(void)fprintf(stderr, "paste: %s: %s.\n", p,
strerror(errno));
exit(1);
}
lp->next = NULL;
lp->cnt = cnt;
lp->name = p;
if (!head)
head = tmp = lp;
else {
tmp->next = lp;
tmp = lp;
}
}
for (opencnt = cnt; opencnt;) {
for (output = 0, lp = head; lp; lp = lp->next) {
if (!lp->fp) {
if (output && lp->cnt &&
(ch = delim[(lp->cnt - 1) % delimcnt]))
putchar(ch);
continue;
}
if (!fgets(buf, sizeof(buf), lp->fp)) {
if (!--opencnt)
break;
lp->fp = NULL;
if (output && lp->cnt &&
(ch = delim[(lp->cnt - 1) % delimcnt]))
putchar(ch);
continue;
}
if (!(p = index(buf, '\n'))) {
(void)fprintf(stderr,
"paste: %s: input line too long.\n",
lp->name);
exit(1);
}
*p = '\0';
/*
* make sure that we don't print any delimiters
* unless there's a non-empty file.
*/
if (!output) {
output = 1;
for (cnt = 0; cnt < lp->cnt; ++cnt)
if (ch = delim[cnt % delimcnt])
putchar(ch);
} else if (ch = delim[(lp->cnt - 1) % delimcnt])
putchar(ch);
(void)printf("%s", buf);
}
if (output)
putchar('\n');
}
}
sequential(argv)
char **argv;
{
register FILE *fp;
register int cnt;
register char ch, *p, *dp;
char buf[_POSIX2_LINE_MAX + 1];
for (; p = *argv; ++argv) {
if (p[0] == '-' && !p[1])
fp = stdin;
else if (!(fp = fopen(p, "r"))) {
(void)fprintf(stderr, "paste: %s: %s.\n", p,
strerror(errno));
continue;
}
if (fgets(buf, sizeof(buf), fp)) {
for (cnt = 0, dp = delim;;) {
if (!(p = index(buf, '\n'))) {
(void)fprintf(stderr,
"paste: %s: input line too long.\n",
*argv);
exit(1);
}
*p = '\0';
(void)printf("%s", buf);
if (!fgets(buf, sizeof(buf), fp))
break;
if (ch = *dp++)
putchar(ch);
if (++cnt == delimcnt) {
dp = delim;
cnt = 0;
}
}
putchar('\n');
}
if (fp != stdin)
(void)fclose(fp);
}
}
tr(arg)
char *arg;
{
register int cnt;
register char ch, *p;
for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
if (ch == '\\')
switch(ch = *p++) {
case 'n':
*arg = '\n';
break;
case 't':
*arg = '\t';
break;
case '0':
*arg = '\0';
break;
default:
*arg = ch;
break;
} else
*arg = ch;
if (!cnt) {
(void)fprintf(stderr, "paste: no delimiters specified.\n");
exit(1);
}
return(cnt);
}
usage()
{
(void)fprintf(stderr, "paste: [-s] [-d delimiters] file ...\n");
exit(1);
}
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