twitch

 #!/bin/bash
 # shortcuts for livestreamer channels and quality

 twitch=http://www.twitch.tv/
 mpv=--player=mpv

 # get channel from list of most watched channels
 case "$1" in
     santzo) channel=santzo84;;
     ohn) channel=outerheaven;;
     prec) channel=previouslyrecorded_live;;
     tftv) channel=teamfortresstv;;
 esac

 # get quality, best by default
 case "${2:-b}" in
     b*) quality=best;;
     l*) quality=low;;
     m*) quality=medium;;
     *)
         printf '%s: unkown quality option: %s (one of [l]ow,
         [m]edium, [b]est)'"$0" "$2" >&2
         exit 1
         ;;
 esac

 # exec livestreamer
 livestreamer $twitch$channel $quality $mpv