Fast NSArray compare
Fast NSArray compare
- Subject: Fast NSArray compare
- From: Varun Chandramohan <email@hidden>
- Date: Tue, 15 Apr 2014 00:02:57 +0000
- Thread-topic: Fast NSArray compare
Hi All,
I have a question about efficiency when trying to compare NSURL. The requirement is quite simple. I try and iterate through a directory to all subdirectories and files. While doing this walk-through, I need to check against an array of NSURLs which are restricted files and folders.
This means if I find a match of file I am trying to access in the array then I don't do any operations on that file and continue.
Lets say I walkthrough 1000 files and folders, for each file/folder I need to compare against this array list. This might be slow or inefficient. Is there a faster way to do something like this?
Secondly, I plan to store array of NSURL for restricted files and folders. What is the best way to get partial compare?
Eg: Entry in array : /XYZ/abc
This means I should not iterate into the abc folder. So any files /XYZ/abc/1.c or /XYZ/abc/def/2.c should all be skipped. Whats the best way to do partial NSURL compare? Or is it better I store it as NSString instead of NSURL?
Regards,
Varun
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