#!/bin/sh
# Convert GIF and JPG images in Images/ into lower-quality files in NewImages/
# Use convert from ImageMagick to do the work.
if [ ! -d NewImages ]
then mkdir NewImages
fi
for i in Images/*.gif Images/*.GIF Images/*.jpg Images/*.JPG
do j=`echo $i | sed 's/^Images/NewImages/;s/...$/jpg/'`
   convert -quality 45 $i $j
done