takes a list of links as input, and checks each for a successful response

check-links.sh

#!/usr/bin/env bash


main() {
	log
	log_ln "hi :)"
	check_links $(cat -)
	log_ln "bye bye!"
}

check_links() {
	local status=0
	log_ln "checking $# links..."
	for url in "$@"; do
		check_link "$url"
		if ((0 == $?)); then
			log "✔ $url"
		else
			status=$?
			log "✘ $url"
		fi
	done
	log
	if ((0 == status)); then
		log_ln "all links are OK 🕺"
	else
		log_ln "looks like we have some broken links 🤦‍♀️"
	fi
}

check_link() {
	local url="$1"
	curl --output /dev/null --silent --head --fail "$url"
}

log() {
	printf '	%s\n' "$1"
}

log_ln() {
	log "$1
"
}


main "$@"