CHEM=$BDA/aide

case $1 in
vsini) zex $CHEM/vsn.des | page ; exit 0 ;;
aide) zex $CHEM/aide.des | page ; exit 0 ;;
esac

case $# in
0) zex $BDA/descri/c.doc | page ; exit 0 ;;
1) while :
   do 
   clear
   echo " Resume de la syntaxe de la commande $2 "
   echo ' ' ; zex $CHEM/$1.des | grep AA | sed 's/AA//'
   echo ' ' ; echo ' '
   echo -n " Quelle rubrique ?  " ; read rub
   case $rub in
     0) echo ' ' ; exit 0 ;;
     *) zex $CHEM/$1.des | awkemp $rub | sed 's/AA//' | page ;;
   esac
   echo ' ' ; echo ' ' ; echo -n "  retour au menu (o/n) ?  " ; 
   read ret
   case $ret in
     ""|o) ;;
     n) echo ' ' ; exit 0 ;;
   esac
   done ;;
esac