Select Code to Download

use strict;
use warnings;
...
id003;30;80;10
id004;30;90;90
id005;50;50;10

Max value in the row id001 is 30 in the column(s) 3.
Max value in the row id002 is 50 in the column(s) 3.
Max value in the row id003 is 80 in the column(s) 2.
Max value in the row id004 is 90 in the column(s) 2,3.
Max value in the row id005 is 50 in the column(s) 1,2.