blob: 52123fee2afc6e07f40b820548f060ce9bc05ffc [file] [log] [blame]
Peter Tyser6b8f5ad2009-10-16 17:36:25 -05001/*
2 * Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26
Kim Phillips088f1b12012-10-29 13:34:31 +000027static int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050028{
29 int i;
30 int putnl = 1;
31
32 for (i = 1; i < argc; i++) {
Joe Hershbergerbb64d1c2012-10-03 13:09:15 +000033 char *p = argv[i];
34 char *nls; /* new-line suppression */
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050035
36 if (i > 1)
37 putc(' ');
Joe Hershbergerbb64d1c2012-10-03 13:09:15 +000038
39 nls = strstr(p, "\\c");
40 if (nls) {
41 char *prenls = p;
42
43 putnl = 0;
44 /*
45 * be paranoid and guess that someone might
46 * say \c more than once
47 */
48 while (nls) {
49 *nls = '\0';
50 puts(prenls);
51 *nls = '\\';
52 prenls = nls + 2;
53 nls = strstr(prenls, "\\c");
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050054 }
Joe Hershbergerbb64d1c2012-10-03 13:09:15 +000055 puts(prenls);
56 } else {
57 puts(p);
Peter Tyser6b8f5ad2009-10-16 17:36:25 -050058 }
59 }
60
61 if (putnl)
62 putc('\n');
63
64 return 0;
65}
66
67U_BOOT_CMD(
68 echo, CONFIG_SYS_MAXARGS, 1, do_echo,
69 "echo args to console",
70 "[args..]\n"
71 " - echo args to console; \\c suppresses newline"
72);