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my $workbook = Spreadsheet::WriteExcel->new("result.xls");

...
    my $workSheet = $workbook->add_worksheet('PASS');
    excel_write ( $workSheet,@pageid_pass,@plot_pass );
}

sub excel_write {
    my ( $worksheet,@pageid,@plotname ) = @_;
...
    $workSheet->write($row,$col,"PAGEID",$format);
    $row++;
}