#!/usr/bin/perl -w use Excel::Writer::XLSX; my $workbook = Excel::Writer::XLSX->new( 'simple.xlsx' ); my $worksheet = $workbook->add_worksheet(); print "How many Sirial Numbers do you need?\n"; $comp= ITS; $mal= ; for ($number=0001; $number< $mal; $number++) { $exp= $comp.$number; } @array= $exp; $array_ref = \@array; $worksheet->write_col( 0,0 , $array_ref);