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Write with NSFileWrapper vs. copy with NSFileManager
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Write with NSFileWrapper vs. copy with NSFileManager


  • Subject: Write with NSFileWrapper vs. copy with NSFileManager
  • From: Colas B <email@hidden>
  • Date: Tue, 25 Mar 2014 12:52:43 +0000 (GMT)

Hi, I am having troubles using NSFileWrapper. In order to have a better understanding of it, I would like to ask you the following question.

Is there a difference between

    NSURL *referenceURL, *destinationURL ;
    
    [[[NSFileManager alloc] init] copyItemAtURL:referenceURL
                                          toURL:destinationURL
                                          error:NULL] ;

and

    NSURL *referenceURL, *destinationURL ;
    NSFileWrapperWritingOptions options ;

    NSFileWrapper * fileWrapper = [[NSFileWrapper alloc] initWithURL:referenceURL
                                                             options:0
                                                               error:NULL] ;
    [fileWrapper writeToURL:destinationURL
                    options:options
        originalContentsURL:nil
                      error:NULL] ;

 (especially, depending on the values of options; what would be the best choice for options here?)?

Again, I ask this question in order to understand better NSFileWrapper. I see that I have the choice in my code to use one or the other. I guess the answer might involve considerations about "hard links". 

Thanks,
Colas
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