Safe File Saving

[Adam Ernst <adam1234 at athenet dot net>]

I'm trying to save a file the 'safe' way, by creating a temporary  
file, saving the data to there, and then moving that temporary file  
on top of the existing file. But on Windows, I get error 183, "file  
already exists". Here's my code:
  if oldFile.Exists then f.CreationDate = oldFile.CreationDate
  // oldFile probably exists. But I don't want to delete it first-- 
that would sacrifice safety.
  f.MoveFileTo oldFile
  if f.LastErrorCode <> 0 then return false // LastErrorCode=183,  
"file already exists"
Any suggestions? What's the "proper" way to do this?

Thanks,

Adam Ernst

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