#!/bin/rc
# yt: download a video from youtube
rfork e
viddir=/tmp/yt
itag=18			# default quality: 360p
if(~ $1 -h){
	itag=22		# higher quality: 720p
	shift
}
switch($#*){
case 2
	dest=$2
case 1
	dest=`{echo $1 |sed 's/.*v=([0-9A-Za-z]+).*/\1/'}
	dest=$viddir/$dest.mp4
case *
	echo 'usage: yt [ -h ] url [ dest ]' >[1=2]
	exit usage
}
url=`{hget $1 |urlencode -d |ssam -n '
	,x/[,"]/c/\n/
	,x/\\u0026/c/\n/
	/url=.*itag='^$itag^'.*/x/url=/d
	-+p'}
hget $url |tput -p > $dest |[2] aux/statusmsg $dest &