# File lib/thor/actions/file_manipulation.rb, line 21
    def copy_file(source, destination=nil, config={}, &block)
      destination ||= source
      source = File.expand_path(find_in_source_paths(source.to_s))

      create_file destination, nil, config do
        content = File.binread(source)
        content = block.call(content) if block
        content
      end
    end