I\'m writing an iPhone app which downloads a tar-gzipped file from a Webserver, then needs to unarchive this file so that it can be copied into the app\'s Documents folder.<
Here is a light untar library for iOS : https://github.com/mhausherr/Light-Untar-for-iOS
Complete blog post about the solution : http://blog.octo.com/en/untar-on-ios-the-pragmatic-way/
Hope this helps, Vincent