Fixing snapcraft

linux/snapcraft/launcher/launch-logarithmplotter

@@ -8,11 +8,17 @@ set \
 	-o pipefail
 
 # GTK theme integration (we have Qt fetch the GTK theme mirroring the host Qt theme...)
+# Currently broken with portals
 #export QT_QPA_PLATFORMTHEME=kde
 
 # Check if the last parameter is a file, and if so, add the argument "--no-checks-for-updates" BEFORE it.
-last="${@:$#}" # last parameter 
+
 length=$(($#-1))
+
+echo "Len: $length"
+
+if [ $length -gt 0 ]; then 
+	last="${@:$#}" # last parameter 
 	args=("${@:1:$length}")  # all parameters except the last
 
 	if [ -f "$last" ]; then
@@ -20,3 +26,6 @@ if [ -f "$last" ]; then
 	else
 		${@} --no-check-for-updates
 	fi
+else
+	${@} --no-check-for-updates
+fi