Selected_month = '01'

- ReadCSV >Array< File_name ( 'R Cols :
                                        If Month = Selected_month
                                           ' Month <- Cols.1 # 5 6 then
                                         R = <
                                               Date : Cols.1
                                               Open : Cols.2, High  : Cols.3
                                               Low  : Cols.4, Close : Cols.5
                                             >
                                        Else
                                         R = .
                                        ;
                            )
