gistfile1.rb

  def copy(content)
    case RUBY_PLATFORM
    when /darwin/
      return content if `which pbcopy`.strip == ''
      IO.popen('pbcopy', 'r+') { |clip| clip.puts content }
    when /linux/
      return content if `which xclip`.strip == ''
      IO.popen('xclip', 'r+') { |clip| clip.puts content }
    end

    content
  end