On Thu, 15 Feb 2007 17:14:17 -0500 Jerry wrote: JY> cd /MyPictures && find . -type f -iname "*.jpg" -exec md5sum {} \; | sort JY> > md5sums.disk Note that this a little inefficient, as it will have to run md5sum for every file.. more efficient would be: find . -type f -iname "*.jpg" -print0 | xargs -0 md5sum > md5sums