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Proper Use of NSFileCoordinator

when writing a file using NSFileCoordinator I need to specify the correct NSFileCoordinatorWritingOptions. Although they are explained in detail, I am not sure when to use which one. The following options are available:

  • NSFileCoordinatorWritingForDeleting
  • NSFileCoordinatorWritingForReplacing
  • NSFileCoordinatorWritingForMoving
  • NSFileCoordinatorWritingForMerging

For example, which option is correct if I want to create a file (e.g. plist)? When do I edit the file?

Can someone explain NSFileCoordinatorWritingOptions for a better understanding?

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