To learn more about Shorten (and md5sum), try these links:

http://cctr.umkc.edu/user/jdclark/shnsetup.html
http://etree.org/howto.html (sections 3.2 and 3.3)
There is a wonderful utility program (Windows only) called mkwACT designed
for dealing with md5sum and shorten here:
http://home.att.net/~mkw/mkwact.html

Doug Hornig has created a great Mac shorten/md5sum utility available here:
http://www.hornig.net/shorten.html

More shorten info & software here, here, here, and here.
Myspace is busy, so you may have to try back later.

All questions should be answered in the readme file & above links.
If you really still need help, send e-mail to tapetree@philzone.com.
Questions answered in the resources listed will NOT be answered.

BOOTLEGGERS WILL SUFFER ETERNAL BAD KHARMA!