length of file from NSFileHandle?
length of file from NSFileHandle?
- Subject: length of file from NSFileHandle?
- From: Graham Cox <email@hidden>
- Date: Sat, 27 Aug 2016 13:19:51 +1000
Hi all,
Apparently a simple task, but no obvious API for it: getting the length (size) of a file I have a NSFileHandle for. This class has no -length property, so how can I get it?
I need to know because I have a requirement to create a backup copy of a file once it exceeds a certain size. This backup is created when I first open the file as a NSFileHandle. I can read the content of the file and find out the size that way, but I’d rather not first read it into memory if I’m just going to create my backup copy and then start over with an empty file - reading it all in just to find the length seems a bit wrong, is all.
—Graham
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