title: How to delete all the subfolder under some folder in Ant?
body: <p>Suppose I have</p>
  
  <pre><code>/Root
      /A
          /to_delete
          /not_to_delete
      /B
          /to_delete
          /not_to_delete
      /C
          /to_delete
          /not_to_delete
  </code></pre>
  
  <p>How to delete those folders called "to_delete" in Ant?</p>