Youtube Download Bash Script

#!/bin/bash function mp3(){echo "donwload by Sincan2 2014"read linksleep 1youtube-dl $link -t -x --audio-format "mp3"mv *.mp3 /home/sincan2/mp3chown -R sincan2:sincan2 /home/sincan2/mp3exit 0} function ytuser(){echo "Download Userna Youtube COK!"read usernameyoutube-dl -citw ytuser:$usernameexit 0} function singleVid(){echo "Download This BY Sincan22014"read linkyoutube-dl $link --m