title: How to compress multiple files with iOS Compression Framework?
body: <p>How can I compress multiple files into one <code>.zlib</code> compressed file using only the native <a href="https://developer.apple.com/documentation/compression" rel="nofollow noreferrer">Compression Framework</a>?</p>
  
  <p>I would like to achieve what can be done using external libraries for <code>.zip</code> files, in which you give them a directory and they create a <code>.zip</code> archive with all the files in the directory.</p>