-V/--version option for alf.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/alf.c b/src/alf.c
index d294378..725b109 100644
--- a/src/alf.c
+++ b/src/alf.c
@@ -357,13 +357,19 @@ int main(int argc, char **argv) {
 		usage();
 	}
 
+	if(!strcmp(argv[1], "--version")) {
+		puts(VERSION);
+		exit(0);
+	}
+
 	/* don't let getopt() print error message for us. */
 	opterr = 0;
 
-	while((opt = getopt(argc, argv, "ao")) != -1) {
+	while((opt = getopt(argc, argv, "aoV")) != -1) {
 		switch(opt) {
 			case 'a': opt_append = 1; opt_overwrite = 1; break;
 			case 'o': opt_overwrite = 1; opt_append = 0; break;
+			case 'V': puts(VERSION); exit(0); break;
 			default:
 				fprintf(stderr, "%s: fatal: invalid option '-%c' (try -h or --help)\n", self, optopt);
 				exit(1);