108 lines
1.7 KiB
Plaintext
108 lines
1.7 KiB
Plaintext
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:- object(system,
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implements(systemp)).
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:- info([
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version is 1.0,
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author is 'Paulo Moura',
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date is 2004/6/5,
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comment is 'Operating system interface for Qu-Prolog.']).
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make_directory(Directory) :-
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{atom_concat('mkdir ', Directory, Command), os(system(Command))}.
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delete_directory(Directory) :-
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{atom_concat('rmdir ', Directory, Command), os(system(Command))}.
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change_directory(Directory) :-
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{chdir(Directory)}.
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working_directory(Directory) :-
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{fail}.
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directory_exists(Directory) :-
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{fail}.
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directory_files(Directory, Files) :-
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{fail}.
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absolute_file_name(File) :-
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{fail}.
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absolute_file_name(File, Full) :-
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{fail}.
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file_exists(File) :-
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{access(File, 0, 0)}.
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file_modification_time(File, Time) :-
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{fail}.
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file_size(File, Size) :-
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{fail}.
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file_type(File, Type) :-
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{fail}.
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file_permission(File, read) :-
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{access(File, 4, 0)}.
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file_permission(File, write) :-
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{access(File, 2, 0)}.
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file_permission(File, execute) :-
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{access(File, 1, 0)}.
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delete_file(File) :-
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{atom_concat('rm ', File, Command), os(system(Command))}.
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rename_file(Old, New) :-
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{concat_atom([mv, Old, New], ' ', Command), os(system(Command))}.
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symbolic_link(File, Target) :-
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{fail}.
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environment_variable(Variable, Value) :-
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{fail}.
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set_environment_variable(Variable, Value) :-
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{fail}.
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date_time(Year, Month, Day, Hours, Mins, Secs, 0) :-
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{realtime(RT), localtime(RT, LT), LT = local_time(Year, Month, Day, Hours, Mins, Secs)}.
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convert_time(Time, Year, Month, Day, Hours, Mins, Secs, _) :-
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{localtime(Time, LT), LT = local_time(Year, Month, Day, Hours, Mins, Secs)}.
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cpu_time(Time) :-
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{statistics(runtime, [Start,_]), Time is Start/1000}.
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host_name(Name) :-
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{fail}.
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:- end_object.
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