not related with your question, but I would suggest to write this:
use Spreadsheet::WriteExcel;
use Spreadsheet::ParseExcel;
use Spreadsheet::ParseExcel::Worksheet;
use Parse::RecDescent;
use Spreadsheet::WriteExcel::Utility;
use Spreadsheet::ParseExcel::SaveParser;
use Spreadsheet::ParseExcel::Cell;
like this:
use Parse::RecDescent;
use Spreadsheet::WriteExcel qw(Utility);
use Spreadsheet::ParseExcel qw(SaveParser Cell Worksheet);
Untested but you can get the idea. If you need more functions from the module simply put its names inside qw(), or use qw(all), or omit the qw part:
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