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warn
Common Warnings and Error messages in Perl
Warning when something goes wrong
Selectively ignore warnings (turn them off with no warnings)
How to capture and save warnings in Perl
Test for warnings in a Perl Module
Create a lexical warning that can be turned on and off with the "warnings" pragma.
die, warn, exit - video
Testing for no warnings in Perl
Test for expected warnings
Test2 capture warnings
Safety net (use strict; use warnings;) - video
use strict; and warnings; but no diagnostics
Always use strict and use warnings in your perl code!
Always use warnings in your Perl code!
Unknown warnings category
$WARNING
"Deep recursion" warning while using wsdl2perl.pl
Solution: area prompt and warn - video
${^WARNING_BITS}