close
CLOSE filename
command. Closes the named file. If the file was currently the
reader or writer, then the reader or writer is changed to the
keyboard or screen, as if SETREAD [] or SETWRITE [] had been done.
CLOSE filename
command. Closes the named file. If the file was currently the
reader or writer, then the reader or writer is changed to the
keyboard or screen, as if SETREAD [] or SETWRITE [] had been done.