#!/bin/sh
usage() {
	echo "youtuber
	-c [channel name]
	-u [channel url]"
	echo "you may only specify channel name or url, and must specify one"
}

if [ $#@ != 2 ]
then
	usage()
	exit 127
fi

while getopts "u:c:" opt; do
	case "$opt" in
		u)
			URL=$2
			shift
			;;
		c)
			URL=https://www.youtube.com/$2
			shift
			;;
		*)
			usage()
			exit 127
			;;
		esac
done
shift $((OPTIND-1))

RSS=`curl -s $URL |tr ':' '\n'|grep -A 2 rssUrl|tail -1 |cut -d'"' -f1|cut -d'/' -f3,4,5`

echo $RSS