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| author | Jim Meyering <jim@meyering.net> | 1993-04-29 05:26:22 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1993-04-29 05:26:22 +0000 |
| commit | 2ff4fc16721b6caac08c16c851024b51b16a1824 (patch) | |
| tree | 34d2aba87f63f370d03812e5c8660c2e84b3908e /src/split.c | |
| parent | 19272693f57193a57e5c4c66f65c791b2ee97378 (diff) | |
| download | coreutils-2ff4fc16721b6caac08c16c851024b51b16a1824.tar.xz | |
add --version and --help
Diffstat (limited to 'src/split.c')
| -rw-r--r-- | src/split.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/src/split.c b/src/split.c index 980edf310..07b37aef9 100644 --- a/src/split.c +++ b/src/split.c @@ -25,6 +25,7 @@ #include <getopt.h> #include <sys/types.h> #include "system.h" +#include "version.h" char *xmalloc (); void error (); @@ -38,7 +39,7 @@ static void cwrite (); static void lines_split (); static void next_file_name (); -/* Name under which this program was invoked. */ +/* The name this program was run with. */ char *program_name; /* Base name of output files. */ @@ -64,7 +65,23 @@ static int input_desc; /* Descriptor on which output file is open. */ static int output_desc; - + +/* 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[] = +{ + {"bytes", required_argument, NULL, 'b'}, + {"lines", required_argument, NULL, 'l'}, + {"line-bytes", required_argument, NULL, 'C'}, + {"help", no_argument, &flag_help, 1}, + {"version", no_argument, &flag_version, 1}, + {NULL, 0, NULL, 0} +}; + static void usage (reason) char *reason; @@ -74,18 +91,10 @@ usage (reason) fprintf (stderr, "\ Usage: %s [-lines] [-l lines] [-b bytes[bkm]] [-C bytes[bkm]]\n\ [--lines=lines] [--bytes=bytes[bkm]] [--line-bytes=bytes[bkm]]\n\ - [infile [outfile-prefix]]\n", + [--help] [--version] [infile [outfile-prefix]]\n", program_name); exit (2); } - -static struct option const longopts[] = -{ - {"bytes", required_argument, NULL, 'b'}, - {"lines", required_argument, NULL, 'l'}, - {"line-bytes", required_argument, NULL, 'C'}, - {NULL, 0, NULL, 0} -}; void main (argc, argv) @@ -123,6 +132,9 @@ main (argc, argv) switch (c) { + case 0: + break; + case 'b': if (split_type != type_undef) usage ("cannot split in more than one way"); @@ -172,6 +184,12 @@ main (argc, argv) } } + if (flag_version) + fprintf (stderr, "%s\n", version_string); + + if (flag_help) + usage (); + /* Handle default case. */ if (split_type == type_undef) { |