Abort on all errors

diff --git a/fgen.sh b/fgen.sh
index fcc1678..99bc69d 100755 (executable)
--- a/fgen.sh
+++ b/fgen.sh
@@ -3,6 +3,9 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright (c) 2023 Hugo Villeneuve <hugo@hugovil.com>
 
+# Abort on all errors
+set -e
+
 PROG_NAME=$(basename $0)
 
 # Set default values
@@ -62,10 +65,9 @@ function get_frame_id()
     frame=$(echo "${1}" | grep -e "label:[0-9]" | ${SED} "s/label:\([0-9]\+\),.*/\1/g")
 
     if [ x"${frame}" = x"" ]; then
-        return 1
+        echo ""
     else
         echo "${frame}"
-        return 0
     fi
 }