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Re^2: Why does an undef argument in a join produce this warning?

by Anonymous Monk
on Apr 24, 2008 at 06:18 UTC ( [id://682566]=note: print w/replies, xml ) Need Help??


in reply to Re: Why does an undef argument in a join produce this warning?
in thread Why does an undef argument in a join produce this warning?

But sometimes I need to interpolate that value and pass it to the test2 sub. Hmmm... perhaps I could check if the variable is not defined before passing to the sub.
  • Comment on Re^2: Why does an undef argument in a join produce this warning?

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