Add 
no warnings 'uninitialized';

[download]
to your script.

EDIT

Ah, Perlmonks...

OP: How do I get rid of this warning?
Me: Do this.
OP: Thanks.
10 monkeys: LEPER OUTCAST UNCLEAN!
GrandFather: (long-winded irrelevant scolding)

In reply to Re: "Use of uninitialized value" annoying message by educated_foo
in thread "Use of uninitialized value" annoying message by kepler

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