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-rw-r--r--minc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/minc.c b/minc.c
index d5da38a..a8e6cb9 100644
--- a/minc.c
+++ b/minc.c
@@ -66,10 +66,14 @@ main(int argc, char *argv[])
 		switch(c) {
 		case 'q': qflag = 1; break;
 		default:
-			// XXX usage
+		usage:
+			fprintf(stderr, "Usage: minc [-q] dirs...\n");
 			exit(1);
 		}
 
+	if (optind == argc)
+		goto usage;
+
 	status = 0;
 	for (i = optind; i < argc; i++)
 		inc(argv[i]);