in reply to Replying to prompts in an automated script

This doesn't answer your question directly, but you can set an option with the OpenSSH client to skip that confirmation:

$ ssh -o StrictHostKeyChecking=false remote_host

I don't see immediately see an option in putty to do anything similar.

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Re^2: Replying to prompts in an automated script
by mpettis (Beadle) on Nov 25, 2008 at 00:42 UTC
    This was perfect! Thanks!