#!/usr/bin/env bash

set -e

usage() {
	echo 'Usage: command | suffix <STRING...>

Adds STRING to the end of every line from command'
	exit "${1:-0}"
}

havecmd -v perl || exit $?

main() {
	if [[ "$1" == "-h" ]]; then
		usage 0
	fi
	if [[ -z "$1" ]]; then
		echo 'Must provide STRING to suffix lines with' >&2
		usage 1
	fi
	export SUFFIX="$*"
	exec perl -pe 's/$/$ENV{SUFFIX}/'
}

main "$@" || exit $?