[Israel.pm] Perl Refactoring?

[Yuval Yaari]

Issac Goldstand wrote:

> Also, if you use a variable only once, Perl gives you a warning ($var 
> used only once - possible typo) if you use warnings;

That's a good advice, but the code has global variables (the horror...) 
and other ugliness, so I get false warnings or no warnings, depending on 
the situation.
But it is helpful, I should've thought about it on my own -- thanks a lot.

  --Yuval