Adding new workbook to existing excel

Shaveta_Chawla has asked for the wisdom of the Perl Monks concerning the following question:

Hi, I have created an excel sheet using perl and i am writing the data into that excel file like this

use Spreadsheet::WriteExcel; 
my $FileName = "/home/Desktop/ABC/report.xls";
my $workbook = Spreadsheet::WriteExcel->new($FileName); 
my $worksheet1 = $workbook->add_worksheet('report1');
$worksheet1->write($i, 0, $url);
$worksheet1->write($i, 1, $title);
[download]

Now in the second run i want to create a new worksheet 'report2' to the existing file report.xls. but every time i do that my earlier worksheet is deleted. How can i do that?

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