for f in Afiles.zip BLfiles.zip FSfiles.zip Ifiles.zip PNGfiles.zip Tfiles.zip UCfiles.zip
do
l=''
echo $f 
   for i in `unzip -l $f | tail +4 | sed -e's/  */ /g' | cut -d' ' -f 5`
   do
   #echo $i
      if [[ a -lt 5 ]]
      then
         #echo "listing $i"
         (( a = $a + 1 ))
         l="$l $i"
      else
         #echo "keeping $i"
         a=0
      fi
   done
   #echo $l
   zip -q -d $f $l
done

