compare two directories using callbacks
File::DirCompare is a perl module for comparing two directories via
callbacks, which are invoked for all files that are 'different'
between the two directories, and for any files that exist only in
one or other directory ('unique' files).

Maintainer: James Wright <jamesw@openbsd.org>

WWW: http://search.cpan.org/dist/File-DirCompare/
