diff options
| -rw-r--r-- | src/alfsum.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/alfsum.c b/src/alfsum.c index b6995b2..14ffd83 100644 --- a/src/alfsum.c +++ b/src/alfsum.c @@ -23,9 +23,12 @@ int main(int argc, char **argv) { if(argc < 2 || !strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")) { printf("alfsum (ALF checksum calculator) v" VERSION " by B. Watson. WTFPL.\n" - "Usage: %s filename [filename(s) ...]\n" - "\t(use - to read from standard input)\n", + "Usage: %s filename [filename(s) ...] | [--help | -h] | [--version | -V]\n" + "Use - to read from standard input.\n", self); + puts("Options:"); + puts(" --version, -V: show version number."); + puts(" --help, -h: show this help message."); return (argc < 2) ? -1 : 0; } |