https://perlmaven.com/always-use-warnings
Always use warnings in your Perl code!
always useperl codewarnings
https://www.express.co.uk/life-style/life/2151225/urgent-christmas-product-recall-warnings
Urgent 'do not use' warnings issued for popular Christmas presents | Express.co.uk
Dec 29, 2025 - Customers have been urged not to use these popular products, which may have been gifted over Christmas.
use warningsurgentissued
https://perlmaven.com/use-strict-use-warnings-no-diagnostics
use strict; and warnings; but no diagnostics
usestrictwarningsdiagnostics