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:- object(system,
implements(systemp)).
:- info([
version is 1.0,
author is 'Paulo Moura',
date is 2004/6/5,
comment is 'Operating system interface for Bin Prolog.']).
make_directory(Directory) :-
{atom_concat('mkdir ', Directory, Command), unix(Command)}.
delete_directory(Directory) :-
{atom_concat('rmdir ', Directory, Command), unix(Command)}.
change_directory(Directory) :-
{cd(Directory)}.
working_directory(Directory) :-
{pwd(Chars), atom_chars(Directory, Chars)}.
directory_exists(Directory) :-
{fail}.
directory_files(Directory, Files) :-
{fail}.
absolute_file_name(File) :-
{fail}.
absolute_file_name(File, Full) :-
{fail}.
file_exists(File) :-
{exists_file(File)}.
file_modification_time(File, Time) :-
{fail}.
file_size(File, Size) :-
{file_size(File, Size)}.
file_type(File, Type) :-
{fail}.
file_permission(File, read) :-
{unix_access(File, 4)}.
file_permission(File, write) :-
{unix_access(File, 2)}.
file_permission(File, execute) :-
{unix_access(File, 1)}.
delete_file(File) :-
{atom_concat('rm ', File, Command), unix(Command)}.
rename_file(Old, New) :-
{atom_concat('mv ', Old, Temp), atom_concat(' ', New, Command), unix(Command)}.
symbolic_link(File, Target) :-
{fail}.
environment_variable(Variable, Value) :-
{unix_getenv(Variable, Value)}.
set_environment_variable(Variable, Value) :-
{fail}.
date_time(Year, Month, Day, Hours, Mins, Secs, Milisecs) :-
{fail}.
convert_time(Time, Year, Month, Day, Hours, Mins, Secs, Milisecs) :-
{fail}.
cpu_time(Time) :-
{ctime(Miliseconds), Time is Miliseconds/1000}.
host_name(Name) :-
{hostname(Name)}.
:- end_object.
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