file manipulation

set_current_directory
Entity: predicate

get_current_directory
Entity: function

create_directory
Entity: predicate

remove_directory
Entity: predicate

delete_file
Entity: predicate

move_file
Entity: predicate

Usage:
set_current_directory(Dir)

sets the current directory. If Dir is free variable than the directory of the running program is set, i.e. the directory of the PRO or SPJ file.

Usage:
Dir is get_current_directory()

retrieves the current directory.

Usage:
create_directory(Dir)

creates a new directory.

Usage:
remove_directory(Dir)

removes a directory.

Usage:
delete_file(File)

deletes a file.

Usage:
move_file(File1, File2)

Moves the file File1 into the file File2

File1 string representing the path to a real file that will be moved
File2 string representing the path to the new file name