A segment from my command-line tool:

>                 NSURL * const  finalLocation = [NSURL 
> fileURLWithPath:response.suggestedFilename isDirectory:NO];
> 
>                 [[NSFileManager defaultManager] moveItemAtURL:location 
> toURL:finalLocation error:&error];
>                 if (error) {
>                     gbfprint(stderr, @"Error, copying: %@", 
> error.localizedDescription);
>                     gbfprintln(stderr, error.localizedFailureReason ? @" 
> (%@)" : @"", error.localizedFailureReason);
>                     returnCode = EXIT_FAILURE;
>                 } else {
>                     gbprintln(@"%@", finalLocation.path);
>                 }

When I run the tool a second time, with the same URL argument, so it tries 
moving the temp file to a place where a file already exists, I get:

> Error, copying: “CFNetworkDownload_8gfN5h.tmp” couldn’t be moved to “Debug” 
> because an item with the same name already exists. (A file with the name 
> “CFNetworkDownload_8gfN5h.tmp” already exists.)
> Program ended with exit code: 1

The localized failure reason uses the source file name, the real reason is that 
the DESTINATION file name is the one already in use.

Am I misunderstanding something here, or should I try to figure out how to send 
in bug reports to Apple?

— 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT mac DOT com 


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