title: cache manifest, cache all files in a directory
body: <p>I am trying to build a web app for iphone, and I don't understand </p>
  
  <ul>
  <li><p>how to cache all the files under the "images" directory ?</p></li>
  <li><p>and I modify one file on the server like "brandDB.txt", how to make the cache manifest update this file, and this file only to avoid downloading everything again ?</p></li>
  </ul>
  
  <p>Thanks</p>
  
  <pre><code>CACHE MANIFEST
  # 20131104-1430
  index.html
  brandDB.txt
  icon.png
  splashiphone.png
  touch-icon-iphone.png
  css/style.css
  images/shareicon.png
  images/bourez.png
  images/john.png
  ...
  
  NETWORK:
  *
  
  FALLBACK:
  </code></pre>