Hi, I've just written a small Ruby script to check whether all your files have the Apache license headers and optionally add them where they're missing. It's as simple as:
ruby check_license_headers.rb # list files with no header ruby check_license_headers.rb add # add headers automatically It scans for 'java', 'xml', 'bpel', 'wsdl', 'c' and 'cpp' files but it's rather easy to add more files type. Might not be bullet proof but it worked well enough for me. Thought I'd just post it here in case someone else finds it useful. Cheers, Matthieu ========================================================================== module FileBrowser def browse(root) queue = Array.new.push(root) while !queue.empty? filename = queue.pop if File.file?(filename) yield(filename) else Dir.new(filename).each do |child| unless ['..', '.','.svn'].include? child queue.push(filename + "/" + child) end end end end end end class HeadersCheck EXT = ['java', 'xml', 'bpel', 'wsdl', 'c', 'cpp'] include FileBrowser def check_files(dir, dry_run) count = 0 browse(dir) do |filename| if /\.#{EXT.join('$|\.')}$/ =~ filename match = nil f = File.new(filename) # Checking for the Apache header in the 4 first lines 4.times do match ||= (/Licensed to the Apache Software Foundation/ =~ f.readline) rescue nil #puts("File #{filename} too short to check.") end f.close unless match if dry_run puts "Missing header in #{filename}" else add_header(filename) end count += 1 end end end if dry_run puts "#{count} files don't have an Apache license header." else puts "#{count} files have been changed to include the Apache license header." end end def add_header(filename) # Extracting file extension ext = /\.([^\.]*)$/.match(filename[1..-1])[1] header = HEADERS[ext] content = File.new(filename, 'r').read if content[0..4] == '<?xml' # If the file has a xml header, the license needs to be appended after content = content[0..content.index("\n")] + header + content[( content.index("\n") + 1)..-1] else content = header + content end File.new(filename, 'w').write(content) end end JAVA_HEADER = <<JAVA /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ JAVA XML_HEADER = <<XML <!-- ~ Licensed to the Apache Software Foundation (ASF) under one ~ or more contributor license agreements. See the NOTICE file ~ distributed with this work for additional information ~ regarding copyright ownership. The ASF licenses this file ~ to you under the Apache License, Version 2.0 (the ~ "License"); you may not use this file except in compliance ~ with the License. You may obtain a copy of the License at ~ ~ http://www.apache.org/licenses/LICENSE-2.0 ~ ~ Unless required by applicable law or agreed to in writing, ~ software distributed under the License is distributed on an ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY ~ KIND, either express or implied. See the License for the ~ specific language governing permissions and limitations ~ under the License. --> XML HEADERS = { 'java' => JAVA_HEADER, 'c' => JAVA_HEADER, 'cpp' => JAVA_HEADER, 'xml' => XML_HEADER, 'bpel' => XML_HEADER, 'wsdl' => XML_HEADER } if ['-h', '--help', 'help'].include? ARGV[0] puts "Scans the current directory for files with missing Apache " puts "license headers." puts " ruby check_license_headers.rb # list files" puts " ruby check_license_headers.rb add # add headers automatically" else HeadersCheck.new.check_files('.', ARGV[0] != 'add') end