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shell: enhance help command

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To get a list of all supported shell commands user must hit the TAB
button. It may be awkward on some terminal emulators. This change
enhances the help command in a way it will in addition print all
supported commands.

Fixes: #28785

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordisemi.no>
This commit is contained in:
Jakub Rzeszutko 2020-10-01 11:52:15 +02:00 • committed by Anas Nashif
commit f43985e334
1 changed files with 5 additions and 1 deletions
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6
subsys/shell/shell_cmds.c
View file

@ -5,6 +5,7 @@
*/
#include <shell/shell.h>
#include "shell_utils.h"
#include "shell_help.h"
#include "shell_ops.h"
#include "shell_vt100.h"
@ -290,12 +291,15 @@ static int cmd_help(const struct shell *shell, size_t argc, char **argv)
" for more information.");
#if defined(CONFIG_SHELL_METAKEYS)
shell_print(shell,
"Shell supports following meta-keys:\n"
"\nShell supports following meta-keys:\n"
"Ctrl+a, Ctrl+b, Ctrl+c, Ctrl+d, Ctrl+e, Ctrl+f, Ctrl+k,"
" Ctrl+l, Ctrl+n, Ctrl+p, Ctrl+u, Ctrl+w\nAlt+b, Alt+f.\n"
"Please refer to shell documentation for more details.");
#endif
/* For NULL argument function will print all root commands */
shell_help_subcmd_print(shell, NULL, "\nAvailable commands:\n");
return 0;
}