ss='id identifier rubyid_source_file'>source_file</span><span class='period'>.</span><span class='id identifier rubyid_basename'>basename</span><span class='lparen'>(</span><span class='id identifier rubyid_source_file'>source_file</span><span class='period'>.</span><span class='id identifier rubyid_extname'>extname</span><span class='rparen'>)</span>
    <span class='id identifier rubyid_tag_name'>tag_name</span> <span class='op'>=</span> <span class='const'>File</span><span class='period'>.</span><span cl