Show the total number of changes that every user committed to a Subversion repository

svn log -v --xml > log.xml; zorba -q 'let $log := doc("log.xml")/log/logentry return for $author in distinct-values($log/author) order by $author return concat($author, " ", sum(count($log[author=$author]/paths/path)), "
")' --serialize-text
This saves Subversion's log output as XML and then runs an XQuery over it. This is standard XQuery 1.0 and should therefore also work with other XQuery processors. I have tested it with Zorba (http://www.zorba-xquery.com). XQilla (http://xqilla.sourceforge.net) also does it, but you'd have to save the query to a file and then execute "xqilla filename.xq". The query first finds all distinct authors and then, for each author, sums up the number of paths they have changed in each commit. This accounts for commits of multiple changes at once. The indenting space in all lines from the second one seems to be due to a bug in Zorba.
Sample Output
username1 137
 username2 384
 username3 65

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