How to check if a file exists before sending

"Tom Wood" <[email protected]> Tue, 2 Jul 2002 13:39:56 -0400

Newsgroups	gmane.network.tux
Message-ID	<[email protected]>

I need to check if a file exists when it is requested
and if it doesn't exists send another file.
What is the best way to do this?
Thanks in advance.

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