From 8ee53fb45b407a2035d33895bcc5c4b44b0b70e9 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Wed, 30 Nov 2022 12:10:06 +0200
Subject: Update shell

---
 gcd.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcd.sh b/gcd.sh
index 9548b1d..b956286 100755
--- a/gcd.sh
+++ b/gcd.sh
@@ -16,5 +16,7 @@ gcdn() {
     echo $r
 }
 
-gcdn $*
+if test $# -gt 0 ; then
+  gcdn $*
+fi
 
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