refactor: better increment

2015-04-20 12:45:57 +01:00
1 parent 39c925983a
commit 1e3d429d58
@@ -87,7 +87,7 @@ collect_cidr_args() {
    CIDR_COUNT=0
    while is_cidr "$1"; do
        CIDR_ARGS="$CIDR_ARGS $1"
-        CIDR_COUNT=$(($CIDR_COUNT + 1))
+        CIDR_COUNT=$((CIDR_COUNT + 1))
        shift 1
    done
    if [ $CIDR_COUNT -eq 0 ]; then