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  • It's a validation of what I'm doing so I like the answer :-). On objects, though I understand where you're coming from I don't see how this helps in most of the cases I would use it. I want to be DRY so I'm going to be retuning the object to a single method as I only want to do one thing to it. I'm then left with the same code I have now, save with an additional method. (also for the example given I'm deleting the file so a null file object doesn't say much :-) Commented May 16, 2013 at 16:44
  • Delete is tricky, because it's not guaranteed. I've never seen a file delete method throw an exception, but what can the programmer do if it fails? Continuously loop retrying? No, it's an OS issue. The code should log the result and move on. Commented May 16, 2013 at 16:49