Harlan> Thanks - my goal is to produce some number of checksum files Harlan> (md5, "sum", pgp, gpg, whatever) at the time I produce the Harlan> distribution *balls.
Harlan> I'd then "publish" the *balls and checksum files. Harlan> I'm not sure I care about validating this on the user's side Harlan> yet, but I can see that it would be Useful to have utility Harlan> that would compare a *ball with the distributed checksum Harlan> files as well. Have a look at the Coreutils Makefile.maint/GNUMakefile's "alpha" target.