#!/usr/bin/env ruby Dir.glob('**/*.{java,rb,xml,html}').each do |name| lines = [] file = File.new(name, 'r') begin while (line = file.gets) != nil lines << line.rstrip end ensure file.close end file = File.new(name, 'w') begin lines.each do |line| file.puts(line) end ensure file.close end end