diff options
Diffstat (limited to 'commands/printenv.c')
| -rw-r--r-- | commands/printenv.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/commands/printenv.c b/commands/printenv.c index e6fc0e4e55..4078bbcc34 100644 --- a/commands/printenv.c +++ b/commands/printenv.c @@ -65,26 +65,22 @@ static int do_printenv(struct command *cmdtp, int argc, char *argv[]) return 0; } -static const __maybe_unused char cmd_printenv_help[] = -"\n - print values of all environment variables\n" -"printenv name ...\n" -" - print value of environment variable 'name'\n"; +BAREBOX_CMD_HELP_START(printenv) +BAREBOX_CMD_HELP_USAGE("printenv [variable]\n") +BAREBOX_CMD_HELP_SHORT("Print value of one or all environment variables.\n") +BAREBOX_CMD_HELP_END +/** + * @page printenv_command + +<p>If an argument is given, printenv prints the content of an environment +variable to the terminal. If no argument is specified, all variables are +printed.</p> + + */ BAREBOX_CMD_START(printenv) .cmd = do_printenv, - .usage = "print environment variables", + .usage = "Print value of one or all environment variables.", BAREBOX_CMD_HELP(cmd_printenv_help) BAREBOX_CMD_END - -/** - * @page printenv_command printenv - * - * Usage: printenv [\<name>] - * - * Print environment variables. - * If \<name> was given, it prints out its content if the environment variable - * \<name> exists. - * - * Without the \<name> argument all current environment variables are printed. - */ |