#!/bin/bash
 for exts in .crw  .CRW
 do for f in *$exts ;
   do
     if test -f $f ;
     then
       dcraw -4 $f ;
       bn=`basename $f $exts` ;
       convert -normalize -gamma 1.8 $bn.ppm $bn.tiff ;
       rm $bn.ppm ;
       for s in sm md lg ;
         do
           case $s in
             sm) pct=5 ;;
             md) pct=20 ;;
             lg) pct=50 ;;
           esac ;
         convert -geometry $pct\% $bn.tiff $bn.$s.jpg
       done
     fi
   done
 done