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|How do I load a program?|
Start writing a Prolog program in a file with extension
.pl. If your
program consists of multiple files, it is common practice to add a file
load.pl that contains file-loading directives to load the various parts
of the program:
/* File: load.pl Purpose: Load my program */ :- [ rules, inference, goals ].
On Unix, it is normal to start Prolog in the same directory as the program resides and run the following commands.
% swipl <banner> ?- [load]. <consult messages ...> ?-
Alternatively, you may wish to use
% swipl -s load.pl <banner> ?-
On Windows, the
.pl extension is associated with
swipl-win.exe and most
comfortable way is to double-click the
.pl file you want to load in the
explorer. This will start SWI-Prolog, which changes directory to the
directory holding the file and then loads the clicked file.