123 lines
2.0 KiB
Plaintext
123 lines
2.0 KiB
Plaintext
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:- import path_sysop/2, path_sysop/3 from file_io.
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:- import datime/1 from standard.
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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 XSB.']).
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make_directory(Directory) :-
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{path_sysop(mkdir, Directory)}.
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delete_directory(Directory) :-
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{path_sysop(rmdir, Directory)}.
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change_directory(Directory) :-
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{path_sysop(chdir, Directory)}.
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working_directory(Directory) :-
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{path_sysop(cwd, Directory)}.
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directory_exists(Directory) :-
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{path_sysop(isdir, Directory)
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path_sysop(exists, Directory)}.
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directory_files(Directory, Files) :-
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{directory(Directory, Files)}.
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absolute_file_name(File) :-
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{path_sysop(isabsolute, File)}.
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absolute_file_name(File, Full) :-
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{path_sysop(expand, File, Full)}.
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file_base_name(File, Base) :-
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{path_sysop(basename, File, Base)}.
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file_name_extension(File, Extension) :-
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{path_sysop(extension, File, Extension)}.
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file_name_directory(File, Directory) :-
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{path_sysop(dirname, File, Directory)}.
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file_exists(File) :-
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{path_sysop(isplain, File)
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path_sysop(exists, File)}.
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file_modification_time(File, Time) :-
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{path_sysop(modtime, File, [High, Low]),
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Time is Low + High * 2 ** 24}.
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file_size(File, Size) :-
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{path_sysop(size, File, Size)}.
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file_permission(File, read) :-
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{path_sysop(readable, File)}.
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file_permission(File, write) :-
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{path_sysop(writable, File)}.
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file_permission(File, execute) :-
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{path_sysop(executable, File)}.
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delete_file(File) :-
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{path_sysop(rm, Directory)}.
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rename_file(Old, New) :-
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{path_sysop(rename, Old, New)}.
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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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{datime(datime(Year, Month, Day, Hours, Mins, Secs))}.
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convert_time(Time, Year, Month, Day, Hours, Mins, Secs) :-
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{fail}.
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cpu_time(Time) :-
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{cputime(Time)}.
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host_name(Name) :-
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{fail}.
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:- end_object.
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