LuckyCatLabs » Uncategorized http://blog.luckycatlabs.com Making code suck less Tue, 16 Mar 2010 01:37:56 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Licensing Your Code the Ruby Way http://blog.luckycatlabs.com/2009/01/31/licensing-your-code-the-ruby-way/ http://blog.luckycatlabs.com/2009/01/31/licensing-your-code-the-ruby-way/#comments Sat, 31 Jan 2009 19:44:52 +0000 mike http://blog.luckycatlabs.com/?p=31 Do you have an existing project you want to open-source? Does the thought of manually adding the license comment block to EVERY. SINGLE. SOURCE. FILE. sound not-so-exciting? Here’s some help, ruby style:

class Licenser

    def licenseFiles(dir)
          filenames = Dir[dir.chop + "**/*.java"]
	  for filename in filenames do
              contents = ''
              File.open(filename, 'r') { |file| contents = file.read }
              contents = HEADER + contents
              File.open(filename, 'w') { |file| file.write(contents) }
          end
    end
end

HEADER = <<HEAD
/*
 * Copyright 2008-2009 Mike Reedell / LuckyCatLabs.
 *
 * Licensed 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.
 */

HEAD

	Licenser.new.licenseFiles(ARGV[0])

This script was inspired by the the check_license_headers.rb script in the Apache SVN repo. Couldn’t get it to work on my setup, so I rewrote the parts I needed.

This can be found in the LuckyCat Labs GitHub scripts project. Look for updates to handle more source types and to check for existing license headers.

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