130 lines
2.3 KiB
Plaintext
130 lines
2.3 KiB
Plaintext
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:- use_module(library(calendar)).
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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 ECLiPSe.']).
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make_directory(Directory) :-
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{mkdir(Directory)}.
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delete_directory(Directory) :-
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{delete(Directory)}.
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change_directory(Directory) :-
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{cd(Directory)}.
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working_directory(Directory) :-
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{getcwd(Directory)}.
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directory_exists(Directory) :-
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{fail}.
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directory_files(Directory, Files) :-
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{read_directory(Directory, "*", _, Files)}.
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absolute_file_name(File) :-
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absolute_file_name(File, File).
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absolute_file_name(File, Full) :-
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{Rel == user ->
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Abs == user % treat user specially
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; get_flag(prolog_suffix, Sufs),
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(existing_file(Rel, Sufs, [], ExtRel) -> true ; ExtRel = Rel),
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canonical_path_name(ExtRel, Abs)}.
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file_base_name(File, Base) :-
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{pathname(File, _, Base, _)}.
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file_name_extension(File, Extension) :-
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{pathname(File, _, _, Extension)}.
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file_name_directory(File, Directory) :-
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{pathname(File, Directory, _, _)}.
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file_exists(File) :-
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{exists(File)}.
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file_modification_time(File, Time) :-
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{get_file_info(File, mtime, Time)}.
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file_size(File, Size) :-
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{get_file_info(File, size, Size)}.
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file_type(File, Type) :-
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{get_file_info(File, mode, Mode)},
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Mode /\ 8'170000 =:= Result,
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file_mode_type(Result, Type).
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file_mode_type(8'100000, regular) :- !.
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file_mode_type(8'040000, directory) :- !.
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file_mode_type(8'140000, socket) :- !.
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file_mode_type(8'120000, symlink) :- !.
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file_mode_type(_, unknown).
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delete_file(File) :-
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{delete(File)}.
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rename_file(Old, New) :-
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{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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{getenv(Variable, Value)}.
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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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{mjd_now(MJD),
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mjd_to_date(MJD, Day/Month/Year),
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mjd_to_time(MJD, Hours:Mins:Secs)}.
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convert_time(Time, Year, Month, Day, Hours, Mins, Secs, _) :-
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{unix_to_mjd(Time, MJD),
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mjd_to_date(MJD, Day/Month/Year),
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mjd_to_time(MJD, Hours:Mins:Secs)}.
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cpu_time(Time) :-
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{cputime(Time)}.
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host_name(Name) :-
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{get_flag(hostname, String),
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atom_string(Name, String)}.
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:- end_object.
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