From 0b37a5ed73569ac5deed0e9bf07954f9e5fecd77 Mon Sep 17 00:00:00 2001
From: Fudgerboy <91767657+Fudgerboy@users.noreply.github.com>
Date: Sat, 9 Dec 2023 07:12:20 +0000
Subject: Fri, Dec 8, 2023, 11:12 PM -08:00

---
 wk2/pset2/caesar/caesar.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'wk2/pset2/caesar/caesar.c')

diff --git a/wk2/pset2/caesar/caesar.c b/wk2/pset2/caesar/caesar.c
index 3cc273f..7ef472b 100644
--- a/wk2/pset2/caesar/caesar.c
+++ b/wk2/pset2/caesar/caesar.c
@@ -6,7 +6,12 @@ bool only_digits(string phrase);
 
 int main(int argc, string argv[])
 {
-    only_digits(argv[1]);
+    if (only_digits(argv[1]) == false) {
+        printf("Usage: ./caesar key\n");
+        return 1;
+    } else {
+        return 0;
+    }
 }
 
 bool only_digits(string phrase) {
-- 
cgit v1.2.3