blob: 97b6f653cd4b0df3f186f632051d9819984ad05d [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Erik Andersen31638212000-01-15 22:28:50 +00002/*
3 * Mini yes implementation for busybox
4 *
5 * Copyright (C) 2000 Edward Betts <edward@debian.org>.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include "internal.h"
24#include <stdio.h>
25
Erik Andersene49d5ec2000-02-08 19:58:47 +000026extern int yes_main(int argc, char **argv)
27{
Erik Andersen31638212000-01-15 22:28:50 +000028 int i;
Erik Andersene49d5ec2000-02-08 19:58:47 +000029
Erik Andersene5b6c7d2000-04-17 16:16:10 +000030 if (argc >=1 && *argv[1]=='-') {
Erik Andersen7ab9c7e2000-05-12 19:41:47 +000031 usage("yes [OPTION]... [STRING]...\n"
32#ifndef BB_FEATURE_TRIVIAL_HELP
33 "\nRepeatedly outputs a line with all specified STRING(s), or `y'.\n"
34#endif
35 );
Erik Andersene5b6c7d2000-04-17 16:16:10 +000036 }
37
38 if (argc == 1) {
Erik Andersen31638212000-01-15 22:28:50 +000039 while (1)
Erik Andersene49d5ec2000-02-08 19:58:47 +000040 if (puts("y") == EOF) {
41 perror("yes");
Erik Andersen31638212000-01-15 22:28:50 +000042 exit(FALSE);
43 }
Erik Andersene5b6c7d2000-04-17 16:16:10 +000044 }
Erik Andersen31638212000-01-15 22:28:50 +000045
46 while (1)
47 for (i = 1; i < argc; i++)
Erik Andersene49d5ec2000-02-08 19:58:47 +000048 if (fputs(argv[i], stdout) == EOF
49 || putchar(i == argc - 1 ? '\n' : ' ') == EOF) {
50 perror("yes");
Erik Andersen31638212000-01-15 22:28:50 +000051 exit(FALSE);
52 }
53 exit(TRUE);
54}