Re: Lua, testing whether a file exists...

[Rob Kendrick <lua-l@...>]

The Doctor wrote:
> Please can someone tell me if Lua can tell if a file exists?
> I've tried testing for for a valid return from io.open(), 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.

Redefine the error handling function while you do the check, or use a 
protected call?  Actually, has anybody implemented a try/catch/finally doobry 
that'd make this kind of thing slightly nicer?

--
Rob Kendrick, Pepperfish Ltd.         +44 (0)845 226 4146  www.pepperfish.net
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