title: How to purge old directories programmatically in unix/shell?
body: <p>Does anyone have a good shell line for this?</p>
  
  <p>I want to check the age on a directory. If I created multiple directories on a weekly basis and I want to purge them/delete them based on 7 days later for example.</p>
  
  <p>How would I do that?</p>