case $# in
0) if (test -f comm.txt.Z || test -f comm.txt)
   then
     (cat $ENT/comment.ent ; zex comm.txt )| page
   else
     echo ' '
     echo " No comment file for `dbms_setit`"
   fi ;;
1) case $1 in
    -e) vz comm.txt ;;
    -c) vz $BDA/contenu/comm.txt ;;
   esac ;;
2) cd $BDA/$1/$2
   if (test -f comm.txt.Z || test -f comm.txt)
   then
     (cat $ENT/comment.ent ; zex comm.txt )| page
   else  
     echo ' ' 
     echo " No comment file for the cluster `dbms_setit`" 
   fi ;;
esac
echo ' '