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Please can someone tell me if Lua can tell if a file exists?
I've tried testing for for a valid return from, but if the file doesn't exist, Lua throws up a default error, never mind trying to run my own handling code...
The only fuction that I can find that even looks like it might help is io.type(), and that gets a nil even if the file does exist.

While I can easily check for empty files, checking for absent ones has failed to allow me any control at all so far.