NSFileCoordinator correct usage

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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 available options are:

  • NSFileCoordinatorWritingForDeleting
  • NSFileCoordinatorWritingForReplacing
  • NSFileCoordinatorWritingForMoving
  • NSFileCoordinatorWritingForMerging

For example, what option is the correct one if I want to create a file (a plist for example)? Wich one when I modify a file?

Can someone explain the NSFileCoordinatorWritingOptions for a better understanding?

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