#!/bin/bash
#<pre>
cd ~/public_html/cd-cover;
for dir in [0-9a-f]*; do 
  ( 
    cd $dir; 
    if [ ! -d ../thumbs/$dir ]; then
      echo $dir;
      mkdir ../thumbs/$dir; 
      for file in *jpg ; do
        jpegtopnm $file | pnmscale -ysize 155 | cjpeg -optimize -progressive -quality 55 > ../thumbs/$dir/$file;
        # jpegtopnm $file | pnmscale 0.3 | ppmtojpeg > ../thumbs/$dir/$file;
      done;
    fi;
  );
done
#</pre>