cgget: unify -h|--help output

this patch unify -h|--help output.
old version:
$ cgget -h
Usage: cgget [-nv] [-r<name>] [-g<controller>] [-a] <path> ...
   or: cgget [-nv] [-r<name>] -g<controller>:<path> ...

new version:
$ cgget -h
Usage: cgget [-nv] [-r <name>] [-g <controller>] [-a] <path> ...
   or: cgget [-nv] [-r <name>] -g <controller>:<path> ...
Print parameter(s) of given group(s).
  -a, --all					Print info about all relevant controllers
  -g <controller>			Controller which info should be displaied
  -g <controller>:<path>	Control group whih info should be displaied
  -h, --help				Display this help
  -n						Do not print headers
  -r, --variable <name>		Define parameter to display
  -v, --values-only			Print only values, not parameter names

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Signed-off-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/tools/cgget.c b/src/tools/cgget.c
index e89b5f82d5f0486e603039008347653a14c1a462..0411a51904aa10004d669b704a844d5e3ab159a4 100644 (file)
--- a/src/tools/cgget.c
+++ b/src/tools/cgget.c
@@ -38,10 +38,25 @@ static void usage(int status, const char *program_name)
                        " try %s -h' for more information.\n",
                        program_name);
        else {
-               fprintf(stdout, "Usage: %s [-nv] [-r<name>] "\
-                       "[-g<controller>] [-a] <path> ...\n", program_name);
-               fprintf(stdout, "   or: %s [-nv] [-r<name>] "\
-                       "-g<controller>:<path> ...\n", program_name);
+               fprintf(stdout, "Usage: %s [-nv] [-r <name>] "\
+                       "[-g <controller>] [-a] <path> ...\n", program_name);
+               fprintf(stdout, "   or: %s [-nv] [-r <name>] "\
+                       "-g <controller>:<path> ...\n", program_name);
+               fprintf(stdout, "Print parameter(s) of given group(s).\n");
+               fprintf(stdout, "  -a, --all                    "\
+                       "Print info about all relevant controllers\n");
+               fprintf(stdout, "  -g <controller>              "\
+                       "Controller which info should be displaied\n");
+               fprintf(stdout, "  -g <controller>:<path>       "\
+                       "Control group whih info should be displaied\n");
+               fprintf(stdout, "  -h, --help                   "\
+                       "Display this help\n");
+               fprintf(stdout, "  -n                           "\
+                       "Do not print headers\n");
+               fprintf(stdout, "  -r, --variable <name>        "\
+                       "Define parameter to display\n");
+               fprintf(stdout, "  -v, --values-only            "\
+                       "Print only values, not parameter names\n");
        }
 }