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Re^3: Annoying 'Use of uninitialized value in concatenation' warningby FunkyMonk (Chancellor) |
on Oct 27, 2011 at 15:05 UTC ( [id://934167]=note: print w/replies, xml ) | Need Help?? |
If you use diagnostics perl will tell you which category the warning belongs to. For example, printing an uninitialised variable yields (the category is in bold):
Use of uninitialized value $x in print atAdditionally, perldiag lists all of perl's warning and error messages. Perl: perlintro perlretut perldoc Basic debugging checklist Yes, even you can use CPAN PerlMonks: How do I post a question effectively? Markup in the Monastery How do I post a question effectively? I know what I mean. Why don't you? General: How To Ask Questions The Smart Way What every computer scientist should know about floating-point arithmetic To Be Continued...
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