#!/usr/bin/perl
use strict;
use warnings;
use Data::Dumper;
use Spreadsheet::Read;

my $book = ReadData("test.xlsx");
my $sheet = $book->[1]; # first data sheet
my @rows = Spreadsheet::Read::rows ($book->[1]);
print Dumper \@rows;

__END__

$ perl test.pl
$VAR1 = [
          [
            'AA1',
            'BB1'
          ],
          [
            undef,
            undef
          ],
          [
            111,
            101
          ],
          [
            222,
            202
          ],
          [
            333,
            303
          ],
          [
            444,
            404
          ],
          [
            555,
            505
          ],
          [
            666,
            606
          ],
          [
            777,
            707
          ],
          [
            888,
            808
          ],
          [
            999,
            909
          ]
        ];

##</code><code>##

#!/usr/bin/perl
use strict;
use warnings;
use Data::Dumper;
use Spreadsheet::Read;

my $book = ReadData("test.xlsx");
my $sheet = $book->[1]; # first data sheet
my @column = $sheet->{cell}[2]; # 2nd column, unformatted
print Dumper \@column;

__END__

$ perl test.pl
$VAR1 = [
          [
            undef,
            'BB1',
            undef,
            101,
            202,
            303,
            404,
            505,
            606,
            707,
            808,
            909
          ]
        ];

##</code><code>##

use feature 'say';
foreach my $row (@column) {
    for (@$row) { say $_ if (defined) }
}