Check out http://www.screen-scraper.com. It's Java, it's not done, I couldn't find the download, but it's author is developing it under GNU GPL, it looks like the generalized version of what you want, and at the very least, you might be able to share experience. (There are screenshots, so the author's got something of a working app.)

And say, this largish application wouldn't be SAP R/3 would it?

--
May the Source be with you.

You said you wanted to be around when I made a mistake; well, this could be it, sweetheart.

In reply to Re: Developing a Suite of CGI applications by Solo
in thread Developing a Suite of CGI applications by jordanh

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