This section is from the "Version Control with Subversion" book, by Ben Collins-Sussman, Brian W. Fitzpatrick and C. Michael Pilato. Also available from Amazon: Version Control with Subversion.
svnlook log — Print the log message, followed by a newline character.
svnlook log REPOS_PATH
Print the log message.
--revision (-r) REV --transaction (-t)
This shows the log output for revision 40 in our sample repository:
$ svnlook log /var/svn/repos/ Rearrange lunch.