title: Split mkv file with mkvtoolnix command line
body: <p>I found mkvtoolnix command line, installed with brew.
  But i found nothing about splitting a movie with the command line, i only found with GUI.</p>
  
  <p>The installation create 4 binary <code>mkvextract</code> <code>mkvinfo</code> <code>mkvmerge</code> <code>mkvpropedit</code> .</p>
  
  <p><strong>SOLUTION :</strong></p>
  
  <p><code>mkvmerge --split 3G -o "film.mkv" ./mymkvfile</code></p>