C'est facile :

#!/bin/bash
# radio.sh : Script pour écouter des radios sur le net ^^
# 
# usage: radio.sh 
#
# Licence : GNU GPL
# (c) Sylvain GAUNET 2007

echo "1 - France Inter"
echo "2 - France Info"
echo "3 - France Culture"
echo "4 - FIP"
echo "5 - Le Mouv"
echo "6 - France Vivace"
echo "7 - France Musique"
echo "8 - France Bleu Alsace"
echo "9 - France Bleu Pays d'Auvergne"
echo "10- France Bleu Ile de France"
echo "11- Europe1"
echo "12- Europe2"
echo "13- RFM"
echo "14- RTL"
echo "15- RTL2"
echo "16- Skyrock"
echo "17- Rire et Chansons"
echo "18- RMC"
echo "19- BFM"
echo "20- Fun Radio"
echo "21- NRJ"
echo "22- Chérie FM"
echo "23- Nostalgie"
echo "24- BBC 1"
echo "25- BBC 2"
    
echo "Choix : "
read reponse

case "$reponse" in
  "1") # France Inter
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/franceinter_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/franceinter_bd.m3u
       mplayer mms://vipradiofrance.yacast.net/encoderfranceinter;;
  "2") # France Info
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/franceinfo_bd.m3u
       mplayer mms://vipradiofrance.yacast.net/encoderfranceinfo;;
  "3") # France Culture
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/franceculture_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/franceculture_bd.m3u
       mplayer mms://viptvr.yacast.net/tvr_franceculture;;
  "4") # FIP
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/fip_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/fip_bd.m3u
       mplayer mms://vipradiofrance.yacast.net/encoderfip;;
  "5") # Le Mouv
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/lemouv_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/lemouv_bd.m3u
       mplayer mms://vipradiofrance.yacast.net/encoderlemouv;;
  "6") # France Vivace
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francevivace_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francevivace_bd.m3u;;
  "7") # France Musique
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francemusique_hd.m3u
       mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francemusique_bd.m3u
       mplayer mms://viptvr.yacast.net/tvr_francemusiques2;;
  "8") # France Bleu Alsace
       mplayer mms://viptvr.yacast.net/tvr_francebleualsace;;
  "9") # France Bleu Pays d'Auvergne
       mplayer mms://wm02.tv-radio.com/fbauvergne-16k;;
  "10") # France Bleu Ile de France
        mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francebleu_idf_hd.m3u
        mplayer -playlist http://viphttp.yacast.net/V4/radiofrance/francebleu_idf_bd.m3u;;
  "11") # Europe1
        mplayer mms://viplagardere.yacast.net/encodereurope1;;
  "12") # Europe2
        mplayer mms://viplagardere.yacast.net/encodereurope2;;
  "13") # RFM
        mplayer mms://viplagardere.yacast.net/encoderrfm;;
  "14") # RTL
        mplayer mms://vipmms9.yacast.net/encoderrtl;;
  "15") # RTL2
        mplayer mms://vipmms9.yacast.net/encoderrtl2
        mplayer mms://vipmms9.yacast.net/encoderrtl2_hd;;
  "16") # Skyrock
        mplayer mms://vipmms9.yacast.net/encoderskyrock;;
  "17") # Rire et Chansons
        mplayer mms://vipmms9.yacast.net/encoderrireetchansons;;
  "18") # RMC
        mplayer -playlist http://cache.yacast.fr/V4/rmc/rmc.m3u
        mplayer mms://viprmc.yacast.net/encoderrmc;;
  "19") # BFM
        mplayer -playlist http://cache.yacast.fr/V4/bfm/bfm.m3u
        mplayer mms://viprmc.yacast.net/tvr_bfm;;
  "20") # Fun Radio
        mplayer mms://vip2.yacast.net/encoderfun;;
  "21") #  NRJ
        mplayer mms://vipnrj.yacast.net/encodernrj;;
  "22") # Chérie FM
        mplayer mms://vipnrj.yacast.net/encodercheriefm;;
  "23") # Nostalgie
        mplayer mms://vipnrj.yacast.net/encodernostalgie;;
  "24") # BBC 1
        mplayer -playlist http://www.bbc.co.uk/radio1/realaudio/media/r1livev7.ram;;
  "25") # BBC 2
        mplayer -playlist http://www.bbc.co.uk/radio2/realmedia/fmg2.ram;;
    *)  # exit les pointes sèches
        exit 0
esac

Modifiez-le selon vos besoins ...