title: Get the size of a repo in linux excluding specific sub-repo
body: <p>I am want to know the size of a repository in linux, excluding recusively all the subfolder that start with horizons:</p>
  
  <p>I tried this command but i couldn't get the needed result:</p>
  
  <pre><code>find -type d -not -name "horizons*" -exec du -sh {} \;
  </code></pre>