To delete all of the subversion (.svn), CVS (.cvs) or hidden MAC .DS_Store folders from a directory tree use one of the following commands from the console:

rm -rf `find . -type d -name .svn`
rm -rf `find . -type d -name .cvs`
rm -rf `find . -type d -name .DS_Store`

for files use:

rm `find . -name ‘*.tmp’`