Name
svnlook uuid — Print the repository's
          UUID.
Synopsis
svnlook uuid REPOS_PATH
Description
Print the UUID for the repository.
            The UUID is the repository's
            universal unique
            identifier.  The Subversion client
            uses this identifier to differentiate between one
            repository and another.
Examples
$ svnlook uuid /var/svn/repos
e7fe1b91-8cd5-0310-98dd-2f12e793c5e8