Select Code to Download

1,02 29031990 feb 21 5,         4,Unit4877 29031990 02 1
2,02 29031990 feb 18 5,         3,Unit4876 29031990 02 2
...
4,02 29031990 feb 21 5,         3,Unit4876 29031990 02 2 *
4,02 29031990 feb 21 5,         4,Unit4877 29031990 02 1 *
4,02 29031990 feb 21 5,         5,Unit4878 29031990 02 0 *

use strict ;
use warnings ;

...
4,02 29031990 feb 21 5,         3,Unit4876 29031990 02 2 (x)
4,02 29031990 feb 21 5,         4,Unit4877 29031990 02 1 (x)
4,02 29031990 feb 21 5,         5,Unit4878 29031990 02 0 (x)