Reinout's installable copy of pypy's fixeol script
The script goes through a directory structure and fixes non-native EOL endings in non-binary files. So the windows line endings are gone if you work on linux (and probably vice versa, though I didn’t try).
Numerous people forget to set native EOL line endings by default in their main svn config file (see zope’s svn explanation why this is something you need to do).
The script sets the related svn property eol-style to native when not set yet.
Original script (and thus 99% of the functionality) is from Holger Krekel from the pypy project.
A couple of years ago I got a script from Guido Wesdorp for cleaning up EOL styles in svn. I’ve long kept a private (modified) copy of that file and only later found out that it was from the pypy project: http://codespeak.net/pypy/dist/pypy/tool/fixeol .
Some changes to the original script: