On 11 Jun '08, at 9:35 AM, Trygve Inda wrote:
I have a plist that I will store on a server and my app will retrieve it. I'd like to archive one of the keys (an array) into an NSData and possiblycompress it.... Makes for less storage and thus lower bandwidth for my server.
Why not just compress the entire plist? In my experience, zlib compresses markup data like XML by about 10::1.
myData = [NSArchiver archivedDataWithRootObject:(NSArray*)myArray];
There's not much reason to use NSArchiver on plist-compatible data (arrays, strings, etc.) An XML archive will just be a much more verbose plist, and a binary archive will be identical to what you'd get if you used NSPropertyListSerialization to save a binary plist.
(Binary plists are already quite a bit smaller than XML ones, and conveniently unreadable by eye, so you might just try that.)
—Jens
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