svnlook cat — Print the contents of a file.
This shows the contents of a file in transaction
            ax8, located at 
            /trunk/README:
$ svnlook cat -t ax8 /var/svn/repos /trunk/README
               Subversion, a version control system.
               =====================================
$LastChangedDate: 2003-07-17 10:45:25 -0500 (Thu, 17 Jul 2003) $
Contents:
     I. A FEW POINTERS
    II. DOCUMENTATION
   III. PARTICIPATING IN THE SUBVERSION COMMUNITY
…