1#!/usr/bin/env bash
 2
 3set -euo pipefail
 4
 5mode=${1:-error}
 6[[ "$mode" =~ ^(error|warning)$ ]] || { echo "Usage: $0 [error|warning]"; exit 1; }
 7
 8cd "$(dirname "$0")/.." || exit 1
 9
10find script -maxdepth 1 -type f -print0 |
11  xargs -0 grep -l -E '^#!(/bin/|/usr/bin/env )(sh|bash|dash)' |
12  xargs -r shellcheck -x -S "$mode" -C