Determining previous revision number

Is there any way from the command line to determine what the previous
revision number is, given an a specific revision number. The problem is
that I have a list of files changed in a specific commit from svn log -v
(I'm writing a program to display the patchset of a commit).
However, I need to know what the previous revision of each of those
files is so that I can link to that revision. I would think using some
combination of svn log -r "PREV":X would work, but no luck yet.
Obviously I could get the complete log for the file and iterate over
that until I find it, but it seems there should be an easier way.

Thanks,
-Jason

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Received on Tue Nov 4 23:17:27 2003