title: Trying to rename .JPG to .jpg in shell CLI
body: <p>I'm trying to rename all files in a directory from having the <code>.JPG</code> ext to <code>.jpg</code> but it isn't working.</p>
  
  <p>I have looked around the net and found a few things but I can't seem to get any to work. The latest one I tried was:</p>
  
  <pre><code>rename -n .JPG .jpg *.JPG
  </code></pre>
  
  <p>I used the <code>-n</code> flag to see what would be modified but I got no response (no files).</p>
  
  <p>What am I doing wrong here!?</p>