# File lib/cgikit.rb, line 4506
        def write_to_file( filename, lock = true )
                if lock then
                        CKFileLock.exclusive_lock(filename, 'w+') do |file|
                                file.write to_s
                        end
                else
                        File.open(filename, 'w+') do |file|
                                file.write to_s
                        end
                end                   
        end