title: Ignore hidden files and directories with obj-c
body: <p>How can I execute hidden directory and files programmatically? </p>
  
  <blockquote>
    <p>i.e: .DS_Store</p>
  </blockquote>
  
  <p>I want to execute all the hidden files and directories which start with the "."</p>
  
  <p>Thank you for your help in advance</p>