"be consistent" | |
PerlMonks |
Re: Why does an undef argument in a join produce this warning?by wfsp (Abbot) |
on Apr 24, 2008 at 06:14 UTC ( [id://682563]=note: print w/replies, xml ) | Need Help?? |
The second argument is not undef. The double quotes
says that you are trying to concatanate an undef value with, in this case, a space. That is what Perl is complaining about. Remove the quotes and the result is nit: You don't need the quotes around the hash key either.
In Section
Seekers of Perl Wisdom
|
|