><span class='rparen'>)</span>   
  <span class='kw'>if</span> <span class='id identifier rubyid_files_hash'>files_hash</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
    <span class='id identifier rubyid_files_hash'>files_hash</span> <span class='op'>=</span> <span class='const'>Array</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span> 
  <span class='kw'>end</span>
 
  <span class='const'>Dir</span><span class='period'>.</span><span 