Internet radio to work

radio.sh

radio() {
    local radio
    local station
    local playlist

    if test $# -eq 2; then
        radio="$1"
        station="$2"
    elif test $# -eq 0; then
        radio=soma
        station=groovesalad
    else
        echo "Usage: radio [radio station]"
    fi

    case $radio in
        soma) playlist="http://somafm.com/$station.pls" ;;
        difm) playlist="http://listen.di.fm/public3/$station.pls" ;;
        *) echo "radio not available"
    esac

    test $playlist && mplayer -vo none -playlist "$playlist"
}