title: Print after file read callback
body: <p>Make the last console.log the one with ---- print after all files have been read.</p>
  
  <pre><code>fs.readdir(inputFolder, function(err, list) {
      list.forEach(function(file){
          console.log('# ' + file + ' --&gt; ' + folder);
      });    
  });
  
  console.log('--------------------------------------------------------');
  </code></pre>