title: How create a single-file format of multiple documents with iOS for Windows, OSX, iPhone
body: <p>I'm working in a end-user app that will create documents that could have several files inside it.</p>
  
  <p>The main resource is a sqlite database. The user can store several media files that are referenced form that database.</p>
  
  <p>My first impulse is use <a href="http://developer.apple.com/library/ios/#DOCUMENTATION/CoreFoundation/Conceptual/CFBundles/DocumentPackages/DocumentPackages.html" rel="nofollow">OSX Bundles</a>, but that will show that are folders on windows.</p>
  
  <p>Or put all the data inside the sqlite database, but will have issues when try to open large files.</p>
  
  <p>Or maybe inside a zip file but need to compress/decompress.</p>
  
  <p>Or maybe exist a magic trick to show a folder as a file under window...</p>
  
  <p>Exist a working VFS (virtual file system) for iOS?</p>