- local ver
- classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
- [ "$classver" ] || return
+ local classver=$(echo "$@" | xargs -r file | grep -o 'compiled Java class data, version [0-9.]*' | awk '{print $NF}' | sort -u)
+ if [ -z "$classver" ]; then
+ return 1
+ fi
+
+ local v