#!/bin/sh set -eu usage() { cat <<-'EOF' Usage: absolute < STDIN absolute -h EOF } help() { cat <<-'EOF' Options: -h, --help show this message Read URL from STDIN and adds the FQDN prefix. Meant to be used in conjunction with `url-for`. Examples: Get the URL for "static/style.css", and make it absolute: $ url-for 'static/style.css' | absolute https://euandre.org/static/style.css EOF } for flag in "$@"; do case "$flag" in --) break ;; --help) usage help exit ;; *) ;; esac done while getopts 'h' flag; do case "$flag" in h) usage help exit ;; *) usage >&2 exit 2 ;; esac done shift $((OPTIND - 1)) . src/lib/base-conf printf 'https://%s%s' "$domain" "$(cat)"