my $array_ref_x = [ [ 'ALICE WONDER', '9876543', '2009', '11.00', '711', '20', '0', '8', ], [ 'ALICE WONDER', '9876543', '2009', '11.00', '711', '3', '2', '0', ], [ 'ALICE WONDER', '9876543', '2009', '15.00', '711', '4', '5', '11', ], [ 'ALICE WONDER', '9876543', '2008', '15.00', '717', '4', '5', '9', ], [ 'John Day', '456789', '2011', '50.00', '717', '4', '22', '9', ], [ 'John Day', '456789', '2011', '50.00', '817', '4', '5', '90', ], [ 'Mary Ann', '123988', '2002', '10.00', '119', '5', '3', '0', ], ]; #Results my $array_ref_x = [ [ 'ALICE WONDER', 9876543, 2009, '15.00', 717, 20, 5, 11 ], [ 'John Day', '456789', '2011', '50.00', '817', '4', '22', '90', ], [ 'Mary Ann', '123988', '2002', '10.00', '119', '5', '3', '0', ], ];