gistfile1.txt

require 'find'

Find.find('.') do |path|
  basename = File.basename(path)
  dirname = File.dirname(path)
  if dirname =~ /^\.\/src|^\.\/res/
    if basename =~ /.java$/ || basename =~ /.xml$/
      content = File.read(path)
      if content =~ /\n\n$/
        File.write(path, content.gsub(/\n\n$/, "\n"))
        puts dirname
        puts basename
      end
    end
  end
end