#!/usr/bin/env bash

for file in "${@:-"${PWD}"}"; do
	if [[ ! -d "${file}" ]]; then
		printf $"%s: cannot create cache directory tag '%s': %s\n" \
			"${0##*/}" "${file}" $"File is not a directory" >&2
		continue
	fi

	cat >"${file}/CACHEDIR.TAG" <<EOF
Signature: 8a477f597d28d172789f06886806bc55
# This file is a cache directory tag created by bash.
# For information about cache directory tags see https://bford.info/cachedir/
EOF

done