# Run something recursively over all directories.
# Usage: recursive <COMMAND>
function recursive() {
	if [[ "${*}" = "" ]]; then
		help recursive
		return 2
	fi

	local IFS=$'\n'
	local current="${PWD}"
	local dirs=$(find -type d)
	local total=$(find -type d | wc -l) # TODO: don't call find twice. won't work with "echo ${dirs}".
	local count=0
	local failed=0

	for dir in ${dirs}; do
		# increment counter.
		((count++))

		# cd into the next dir.
		cd "${current}" || failed=${?}
		cd "${dir}" || failed=${?}

		# echo status.
		echo -e "${color_bblue}[${count}/${total}] ${dir}${color_default}"

		# run command.
		${*} || failed=${?}

		# Add newline if not the last one.
		[[ "${count}" = "${total}" ]] || echo
	done

	# return back on complete.
	cd "${current}" || failed=${?}

	return ${failed}
}

# Run something recursively over directories of 1 depth (excluding current dir).
# Usage: recursive1 <COMMAND>
function recursive1() {
	if [[ "${*}" = "" ]]; then
		help recursive1
		return 2
	fi

	local IFS=$'\n'
	local current="${PWD}"
	local dirs=$(find -mindepth 1 -maxdepth 1 -type d)
	local total=$(find -mindepth 1 -maxdepth 1 -type d | wc -l) # TODO: don't call find twice. won't work with "echo ${dirs}".
	local count=0
	local failed=0

	for dir in ${dirs}; do
		# increment counter.
		((count++))

		# cd into the next dir.
		cd "${current}"
		cd "${dir}"

		# echo status.
		echo -e "${color_bblue}[${count}/${total}] ${dir}${color_default}"

		# run command.
		${*} || failed=${?}

		# Add newline if not the last one.
		[[ "${count}" = "${total}" ]] || echo
	done

	# return back on complete.
	cd "${current}"

	return ${failed}
}

# autocomplete.
complete -F _autocomplete_nested recursive recursive1