This documentation was written to describe Subversion 1.0. If you are running a newer version of Subversion, we strongly suggest that you visit http://www.svnbook.com/ and consult the version of this book appropriate for your version of Subversion.
svnlook author — Print the author.
svnlook author REPOS_PATH
Print the author of a revision or transaction in the repository.
--revision (-r) --transaction (-t)
svnlook author is handy, but not very exciting:
$ svnlook author -r 40 /usr/local/svn/repos sally