On Nov 11, 2003, at 10:44 PM, MisterX wrote:
Save often, pick up a good book on C. That C code is hellish! Doing the
advanced stuff like the Life game or the imagine stuff on the tutorial is
impressive! But should be easy with practice and time.
Xavier- thanks for the info. I have already studied the externals tutorial that comes with metacard. I agree that is the only starting point available to us.
But it is definitely not my experience that it becomes easy with practice and time. Soon you will find out that externals tutorial is poorly commented, and does not even attempt to document the API. Most of the code doesn't even have comments. The tutorial is useful for seeing some of the possibilities one can do with externals- and that's about it.
By imitating the code in external.c I learned enough to write some simple commands and functions. So although I have written a useful external, there is much I need to learn. And once again I have run into this documentation barrier and can learn no more from this meager tutorial.
I have written an external for the CLIPS expert system, compiled for both OS X and Win32 (using VC++6). You can see it here:
<http://mindlube.com/download/files/runrev/revclips-07-09-03.tar.gz>
revclips is just simple commands and functions. Passing strings back and forth between CLIPS and transcript. It does not attempt more advanced techniques like array manipulation, image manipulation, threading, networking or event loop issues.
Alex Rice <[EMAIL PROTECTED]> | Mindlube Software | <http://mindlube.com>
what a waste of thumbs that are opposable to make machines that are disposable -Ani DiFranco
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