in reply to Perl CGI.PM: Use of uninitialized value $vals
use warnings;
can cause that warning message. but not fatal.
usually happens with codes like
Make sure $hash{word} holds a valid value before using it or it will give you a warning.
can cause that warning message. but not fatal.
usually happens with codes like
$hash{word} is not defined and will cause that warning.use warnings; my %hash; if ($hash{'word'} =~ /world/) { }
Make sure $hash{word} holds a valid value before using it or it will give you a warning.
|
---|
In Section
Seekers of Perl Wisdom