From 33441b637763a5c906a4e0c9409abca45463f6a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20W=C3=BChrer?= <def@gmx.at>
Date: Thu, 10 Jul 2025 09:16:22 +0200
Subject: fix ean13

---
 bin/ean13 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'bin')

diff --git a/bin/ean13 b/bin/ean13
index 6fd125a..35e3686 100755
--- a/bin/ean13
+++ b/bin/ean13
@@ -15,7 +15,7 @@ do
 #printf >&2 'v: %s : cs=%d f=%d\n' "$v" $checksum $factor
 done
 if [[ ${#1} -eq 12 ]]
-then	echo "$1"$((10-checksum%10))
+then	echo "$1"$(((10-checksum%10)%10))
 else	[[ $((10-checksum%10)) -eq ${1:12} ]] || exit
 fi
 shift
-- 
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