19b50d902SRodney W. Grimes /* 29b50d902SRodney W. Grimes * Copyright (c) 1989, 1993 39b50d902SRodney W. Grimes * The Regents of the University of California. All rights reserved. 49b50d902SRodney W. Grimes * 59b50d902SRodney W. Grimes * This code is derived from software contributed to Berkeley by 69b50d902SRodney W. Grimes * Adam S. Moskowitz of Menlo Consulting. 79b50d902SRodney W. Grimes * 89b50d902SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 99b50d902SRodney W. Grimes * modification, are permitted provided that the following conditions 109b50d902SRodney W. Grimes * are met: 119b50d902SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 129b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 139b50d902SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 149b50d902SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 159b50d902SRodney W. Grimes * documentation and/or other materials provided with the distribution. 169b50d902SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 179b50d902SRodney W. Grimes * must display the following acknowledgement: 189b50d902SRodney W. Grimes * This product includes software developed by the University of 199b50d902SRodney W. Grimes * California, Berkeley and its contributors. 209b50d902SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 219b50d902SRodney W. Grimes * may be used to endorse or promote products derived from this software 229b50d902SRodney W. Grimes * without specific prior written permission. 239b50d902SRodney W. Grimes * 249b50d902SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 259b50d902SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 269b50d902SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 279b50d902SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 289b50d902SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 299b50d902SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 309b50d902SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 319b50d902SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 329b50d902SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 339b50d902SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 349b50d902SRodney W. Grimes * SUCH DAMAGE. 359b50d902SRodney W. Grimes */ 369b50d902SRodney W. Grimes 379b50d902SRodney W. Grimes #ifndef lint 381e133604SPhilippe Charnier static const char copyright[] = 399b50d902SRodney W. Grimes "@(#) Copyright (c) 1989, 1993\n\ 409b50d902SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 419b50d902SRodney W. Grimes #endif /* not lint */ 429b50d902SRodney W. Grimes 431e133604SPhilippe Charnier #if 0 44d345176dSMike Barcroft #ifndef lint 459b50d902SRodney W. Grimes static char sccsid[] = "@(#)paste.c 8.1 (Berkeley) 6/6/93"; 469b50d902SRodney W. Grimes #endif /* not lint */ 47d345176dSMike Barcroft #endif 48d345176dSMike Barcroft 49d345176dSMike Barcroft #include <sys/cdefs.h> 50d345176dSMike Barcroft __FBSDID("$FreeBSD$"); 519b50d902SRodney W. Grimes 529b50d902SRodney W. Grimes #include <sys/types.h> 5378552e79SMark Murray 541e133604SPhilippe Charnier #include <err.h> 559b50d902SRodney W. Grimes #include <errno.h> 569b50d902SRodney W. Grimes #include <limits.h> 579b50d902SRodney W. Grimes #include <stdio.h> 58c93bd87aSJohn Birrell #include <stdlib.h> 599b50d902SRodney W. Grimes #include <string.h> 601e133604SPhilippe Charnier #include <unistd.h> 619b50d902SRodney W. Grimes 629b50d902SRodney W. Grimes char *delim; 639b50d902SRodney W. Grimes int delimcnt; 649b50d902SRodney W. Grimes 650968654cSTim J. Robbins int parallel(char **); 660968654cSTim J. Robbins int sequential(char **); 67d3cb5dedSWarner Losh int tr(char *); 68d3cb5dedSWarner Losh static void usage(void); 691e133604SPhilippe Charnier 7078552e79SMark Murray char tab[] = "\t"; 7178552e79SMark Murray 721e133604SPhilippe Charnier int 7378552e79SMark Murray main(int argc, char *argv[]) 749b50d902SRodney W. Grimes { 750968654cSTim J. Robbins int ch, rval, seq; 769b50d902SRodney W. Grimes 779b50d902SRodney W. Grimes seq = 0; 781c8af878SWarner Losh while ((ch = getopt(argc, argv, "d:s")) != -1) 799b50d902SRodney W. Grimes switch(ch) { 809b50d902SRodney W. Grimes case 'd': 819b50d902SRodney W. Grimes delimcnt = tr(delim = optarg); 829b50d902SRodney W. Grimes break; 839b50d902SRodney W. Grimes case 's': 849b50d902SRodney W. Grimes seq = 1; 859b50d902SRodney W. Grimes break; 869b50d902SRodney W. Grimes case '?': 879b50d902SRodney W. Grimes default: 889b50d902SRodney W. Grimes usage(); 899b50d902SRodney W. Grimes } 909b50d902SRodney W. Grimes argc -= optind; 919b50d902SRodney W. Grimes argv += optind; 929b50d902SRodney W. Grimes 93d345176dSMike Barcroft if (*argv == NULL) 94d345176dSMike Barcroft usage(); 959b50d902SRodney W. Grimes if (!delim) { 969b50d902SRodney W. Grimes delimcnt = 1; 9778552e79SMark Murray delim = tab; 989b50d902SRodney W. Grimes } 999b50d902SRodney W. Grimes 1009b50d902SRodney W. Grimes if (seq) 1010968654cSTim J. Robbins rval = sequential(argv); 1029b50d902SRodney W. Grimes else 1030968654cSTim J. Robbins rval = parallel(argv); 1040968654cSTim J. Robbins exit(rval); 1059b50d902SRodney W. Grimes } 1069b50d902SRodney W. Grimes 1079b50d902SRodney W. Grimes typedef struct _list { 1089b50d902SRodney W. Grimes struct _list *next; 1099b50d902SRodney W. Grimes FILE *fp; 1109b50d902SRodney W. Grimes int cnt; 1119b50d902SRodney W. Grimes char *name; 1129b50d902SRodney W. Grimes } LIST; 1139b50d902SRodney W. Grimes 1140968654cSTim J. Robbins int 11578552e79SMark Murray parallel(char **argv) 1169b50d902SRodney W. Grimes { 11778552e79SMark Murray LIST *lp; 11878552e79SMark Murray int cnt; 11978552e79SMark Murray char ch, *p; 1209b50d902SRodney W. Grimes LIST *head, *tmp; 1219b50d902SRodney W. Grimes int opencnt, output; 122308f1befSSatoshi Asami char buf[_POSIX2_LINE_MAX + 1]; 1239b50d902SRodney W. Grimes 1241e133604SPhilippe Charnier for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) { 12547bca8b0SJuli Mallett if ((lp = malloc(sizeof(LIST))) == NULL) 12647bca8b0SJuli Mallett err(1, NULL); 1279b50d902SRodney W. Grimes if (p[0] == '-' && !p[1]) 1289b50d902SRodney W. Grimes lp->fp = stdin; 1291e133604SPhilippe Charnier else if (!(lp->fp = fopen(p, "r"))) 1301e133604SPhilippe Charnier err(1, "%s", p); 1319b50d902SRodney W. Grimes lp->next = NULL; 1329b50d902SRodney W. Grimes lp->cnt = cnt; 1339b50d902SRodney W. Grimes lp->name = p; 1349b50d902SRodney W. Grimes if (!head) 1359b50d902SRodney W. Grimes head = tmp = lp; 1369b50d902SRodney W. Grimes else { 1379b50d902SRodney W. Grimes tmp->next = lp; 1389b50d902SRodney W. Grimes tmp = lp; 1399b50d902SRodney W. Grimes } 1409b50d902SRodney W. Grimes } 1419b50d902SRodney W. Grimes 1429b50d902SRodney W. Grimes for (opencnt = cnt; opencnt;) { 1439b50d902SRodney W. Grimes for (output = 0, lp = head; lp; lp = lp->next) { 1449b50d902SRodney W. Grimes if (!lp->fp) { 1459b50d902SRodney W. Grimes if (output && lp->cnt && 1469b50d902SRodney W. Grimes (ch = delim[(lp->cnt - 1) % delimcnt])) 1479b50d902SRodney W. Grimes putchar(ch); 1489b50d902SRodney W. Grimes continue; 1499b50d902SRodney W. Grimes } 1509b50d902SRodney W. Grimes if (!fgets(buf, sizeof(buf), lp->fp)) { 1519b50d902SRodney W. Grimes if (!--opencnt) 1529b50d902SRodney W. Grimes break; 1539b50d902SRodney W. Grimes lp->fp = NULL; 1549b50d902SRodney W. Grimes if (output && lp->cnt && 1559b50d902SRodney W. Grimes (ch = delim[(lp->cnt - 1) % delimcnt])) 1569b50d902SRodney W. Grimes putchar(ch); 1579b50d902SRodney W. Grimes continue; 1589b50d902SRodney W. Grimes } 1591e133604SPhilippe Charnier if (!(p = index(buf, '\n'))) 1601e133604SPhilippe Charnier errx(1, "%s: input line too long", lp->name); 1619b50d902SRodney W. Grimes *p = '\0'; 1629b50d902SRodney W. Grimes /* 1639b50d902SRodney W. Grimes * make sure that we don't print any delimiters 1649b50d902SRodney W. Grimes * unless there's a non-empty file. 1659b50d902SRodney W. Grimes */ 1669b50d902SRodney W. Grimes if (!output) { 1679b50d902SRodney W. Grimes output = 1; 1689b50d902SRodney W. Grimes for (cnt = 0; cnt < lp->cnt; ++cnt) 1691e133604SPhilippe Charnier if ((ch = delim[cnt % delimcnt])) 1709b50d902SRodney W. Grimes putchar(ch); 1711e133604SPhilippe Charnier } else if ((ch = delim[(lp->cnt - 1) % delimcnt])) 1729b50d902SRodney W. Grimes putchar(ch); 1739b50d902SRodney W. Grimes (void)printf("%s", buf); 1749b50d902SRodney W. Grimes } 1759b50d902SRodney W. Grimes if (output) 1769b50d902SRodney W. Grimes putchar('\n'); 1779b50d902SRodney W. Grimes } 1780968654cSTim J. Robbins 1790968654cSTim J. Robbins return (0); 1809b50d902SRodney W. Grimes } 1819b50d902SRodney W. Grimes 1820968654cSTim J. Robbins int 18378552e79SMark Murray sequential(char **argv) 1849b50d902SRodney W. Grimes { 18578552e79SMark Murray FILE *fp; 1860968654cSTim J. Robbins int cnt, failed; 18778552e79SMark Murray char ch, *p, *dp; 1889b50d902SRodney W. Grimes char buf[_POSIX2_LINE_MAX + 1]; 1899b50d902SRodney W. Grimes 1900968654cSTim J. Robbins failed = 0; 1911e133604SPhilippe Charnier for (; (p = *argv); ++argv) { 1929b50d902SRodney W. Grimes if (p[0] == '-' && !p[1]) 1939b50d902SRodney W. Grimes fp = stdin; 1949b50d902SRodney W. Grimes else if (!(fp = fopen(p, "r"))) { 1951e133604SPhilippe Charnier warn("%s", p); 1960968654cSTim J. Robbins failed = 1; 1979b50d902SRodney W. Grimes continue; 1989b50d902SRodney W. Grimes } 1999b50d902SRodney W. Grimes if (fgets(buf, sizeof(buf), fp)) { 2009b50d902SRodney W. Grimes for (cnt = 0, dp = delim;;) { 2011e133604SPhilippe Charnier if (!(p = index(buf, '\n'))) 2021e133604SPhilippe Charnier errx(1, "%s: input line too long", *argv); 2039b50d902SRodney W. Grimes *p = '\0'; 2049b50d902SRodney W. Grimes (void)printf("%s", buf); 2059b50d902SRodney W. Grimes if (!fgets(buf, sizeof(buf), fp)) 2069b50d902SRodney W. Grimes break; 2071e133604SPhilippe Charnier if ((ch = *dp++)) 2089b50d902SRodney W. Grimes putchar(ch); 2099b50d902SRodney W. Grimes if (++cnt == delimcnt) { 2109b50d902SRodney W. Grimes dp = delim; 2119b50d902SRodney W. Grimes cnt = 0; 2129b50d902SRodney W. Grimes } 2139b50d902SRodney W. Grimes } 2149b50d902SRodney W. Grimes putchar('\n'); 2159b50d902SRodney W. Grimes } 2169b50d902SRodney W. Grimes if (fp != stdin) 2179b50d902SRodney W. Grimes (void)fclose(fp); 2189b50d902SRodney W. Grimes } 2190968654cSTim J. Robbins 2200968654cSTim J. Robbins return (failed != 0); 2219b50d902SRodney W. Grimes } 2229b50d902SRodney W. Grimes 2231e133604SPhilippe Charnier int 22478552e79SMark Murray tr(char *arg) 2259b50d902SRodney W. Grimes { 22678552e79SMark Murray int cnt; 22778552e79SMark Murray char ch, *p; 2289b50d902SRodney W. Grimes 2299b50d902SRodney W. Grimes for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt) 2309b50d902SRodney W. Grimes if (ch == '\\') 2319b50d902SRodney W. Grimes switch(ch = *p++) { 2329b50d902SRodney W. Grimes case 'n': 2339b50d902SRodney W. Grimes *arg = '\n'; 2349b50d902SRodney W. Grimes break; 2359b50d902SRodney W. Grimes case 't': 2369b50d902SRodney W. Grimes *arg = '\t'; 2379b50d902SRodney W. Grimes break; 2389b50d902SRodney W. Grimes case '0': 2399b50d902SRodney W. Grimes *arg = '\0'; 2409b50d902SRodney W. Grimes break; 2419b50d902SRodney W. Grimes default: 2429b50d902SRodney W. Grimes *arg = ch; 2439b50d902SRodney W. Grimes break; 2449b50d902SRodney W. Grimes } else 2459b50d902SRodney W. Grimes *arg = ch; 2469b50d902SRodney W. Grimes 2471e133604SPhilippe Charnier if (!cnt) 2481e133604SPhilippe Charnier errx(1, "no delimiters specified"); 2499b50d902SRodney W. Grimes return(cnt); 2509b50d902SRodney W. Grimes } 2519b50d902SRodney W. Grimes 2521e133604SPhilippe Charnier static void 25378552e79SMark Murray usage(void) 2549b50d902SRodney W. Grimes { 2551e133604SPhilippe Charnier (void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n"); 2569b50d902SRodney W. Grimes exit(1); 2579b50d902SRodney W. Grimes } 258