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1 | // SPDX-License-Identifier: GPL-2.0+ | |
2 | /* | |
3 | * Copyright 2000-2009 | |
4 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <command.h> | |
9 | ||
10 | static int do_echo(struct cmd_tbl *cmdtp, int flag, int argc, | |
11 | char *const argv[]) | |
12 | { | |
13 | int i = 1; | |
14 | bool space = false; | |
15 | bool newline = true; | |
16 | ||
17 | if (argc > 1) { | |
18 | if (!strcmp(argv[1], "-n")) { | |
19 | newline = false; | |
20 | ++i; | |
21 | } | |
22 | } | |
23 | ||
24 | for (; i < argc; ++i) { | |
25 | if (space) { | |
26 | putc(' '); | |
27 | } | |
28 | puts(argv[i]); | |
29 | space = true; | |
30 | } | |
31 | ||
32 | if (newline) | |
33 | putc('\n'); | |
34 | ||
35 | return 0; | |
36 | } | |
37 | ||
38 | U_BOOT_CMD( | |
39 | echo, CONFIG_SYS_MAXARGS, 1, do_echo, | |
40 | "echo args to console", | |
41 | "[-n] [args..]\n" | |
42 | " - echo args to console; -n suppresses newline" | |
43 | ); |