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prologsicstus-prolog

Prolog - reload source files

I just finished creating a game in Prolog using Sicstus.

During the game I use assert's and retract's to update the values of some variables I use.

When the game finishes, if I don't reconsult the source files, and re-run the game, those variables have the same content of the past game, which makes sense.

So what I am asking is if exists some sort of built-in predicate that I can call at the end of the game so it reconsults the source files, establishing the original data of the game. (I know it is a lazy way to do it.)

Solution

  • Perhaps you can remove the default facts from the file and write an initializer predicate that asserts them instead. Then you could retract all of them on a restart and rerun your initializer to set the defaults

    – lurker

    This was the answer. Thank you Lurker.