span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_file'>file</span><span class='op'>|</span>
      <span class='id identifier rubyid_err'>err</span><span class='period'>.</span><span class='id identifier rubyid_puts'>puts</span> <span class='id identifier rubyid_file'>file</span>
    <span class='kw'>end</span>
    <span class='kw'>return</span> <span class='int'>1</span>
  <span class='