to delete all files (with same name) in folder in one line

find ./ -name "file/folder name" | xargs rm -Rf

to delete all svn files the cammand is

find ./ -name ".svn" | xargs rm -Rf

thanks for the info

http://cephas.net/blog/2007/04/06/command-line-script-to-delete-svn-files-folders/