echo ' '
case $LNG in
fr) echo -n "  Quel type de donnees ?  " ;;
eng) echo -n " What kind of data ?  " ;;
esac
read type ; echo ' '

echo ' '
while :
do
case $LNG in
fr) echo -n "  Quelle etoile ?  " ;;
eng) echo -n "  Which star ?  " ;;
esac
read etoil 
case $etoil in
 0|f|fin) echo ' ' ; break ;;
      -1) echo ' ' ; etoil=$prev
          case $LNG in
          fr) echo -n "  Quel type de donnees ?  " ;;
          eng) echo -n " What kind of data ?  " ;;
          esac
          read type ;;
esac
prev=$etoil
Mesure $type $etoil
done