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I've done a number of searches on this site and google, and perhaps I'm just missing the right keyword combinations to find examples on what I want to do.
I have an NSMutableDictionary that I need filtered then sorted (I know I need to put sorted values in an array, so really it's a 2 part question). Some searches on this forum brought me to this thread many other threads have been dead ends and I hope this wont be one of them.
If you know how to do this, please humor me and at least glance over my current dictionary and maybe you'll toss me a sample keyword that I can use to search more on, or maybe some sudo code that I can work with?
now suppose I want to filter and sort by any key value for Operation_number that is between the range of 0100 to 0199. I looked up the documentation on Predicate from the Apple's Predicate Programming Guide, but I'm afraid that I'm still a little bit lost.
It seems that building a predicate would be the right approach, but it almost seems like I need a degree to figure how to construct a predicate for my dictionary object above. :-|
so I tried crafting this simple example by throwing together some snippets of code off the web but it doesn't seem like it's doable either :(
NSPredicate *predicate = [NSPredicate
predicateWithFormat:@\"(OPERATION_NUMBER >= %@) AND (OPERATION_NUMBER <= %@)\",
doesn't seem to work, and it's quite possible I'm not doing it right :-|
Thank you for reading my post and if you can help, Thanks!