I have an NSURL * pictures_path;

By default, this is set to

  pictures_path = [ [NSFileManager defaultManager] URLForDirectory: 
NSPicturesDirectory
                                             inDomain: NSUserDomainMask
                                    appropriateForURL: nil create: NO error: 
&err];

This works fine.

Occasionally, I am printing a log message, like so:

  mesg = [[NSMutableString alloc] initWithString: [mainDirectoryLocation_ 
pictures_path] ];

and then output that to whatever channel is active (screen or log file).

Now, in cases where pictures_path is still set to the default,
the users sees some thing like:

  
/Users/xxxx/Library/Containers/com.apple.ScreenSaver.Engine.legacyScreenSaver/Data/Pictures

which is confusing to the user (and takes up a lot of space).

How can I convert this back to the more human-readable /Users/xx/Pictures  or 
~/Pictures ?

I have checked NSURL's doc, but couldn't find a method to convert the path.


Hints will be appreciated.
Best, Gabriel.

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