diff options
Diffstat (limited to 'src/paste.c')
| -rw-r--r-- | src/paste.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/paste.c b/src/paste.c index 3cd95d368..bc9b7e5c0 100644 --- a/src/paste.c +++ b/src/paste.c @@ -42,6 +42,7 @@ #include <getopt.h> #include <sys/types.h> #include "system.h" +#include "version.h" void error (); char *xmalloc (); @@ -77,10 +78,18 @@ static char *delims; /* A pointer to the character after the end of `delims'. */ static char *delim_end; +/* If non-zero, display usage information and exit. */ +static int flag_help; + +/* If non-zero, print the version on standard error. */ +static int flag_version; + static struct option const longopts[] = { {"serial", no_argument, 0, 's'}, {"delimiters", required_argument, 0, 'd'}, + {"help", no_argument, &flag_help, 1}, + {"version", no_argument, &flag_version, 1}, {0, 0, 0, 0} }; @@ -104,6 +113,9 @@ main (argc, argv) { switch (optc) { + case 0: + break; + case 'd': /* Delimiter character(s). */ if (optarg[0] == '\0') @@ -120,6 +132,12 @@ main (argc, argv) } } + if (flag_version) + fprintf (stderr, "%s\n", version_string); + + if (flag_help) + usage (); + if (optind == argc) argv[argc++] = "-"; @@ -453,7 +471,7 @@ usage () { fprintf (stderr, "\ Usage: %s [-s] [-d delim-list] [--serial] [--delimiters=delim-list]\n\ - [file...]\n", + [--help] [--version] [file...]\n", program_name); exit (1); } |