[RndTbl] Funny comment

[Chris Lawson]

More on secret perl operators: http://search.cpan.org/~book/perlsecret-1.012/lib/perlsecret.pod

Heed the word of warning!

Chris

On Sat, 28 Feb 2015, Trevor Cordes wrote:

> I had to confirm what $x=!!$y meant in perl.  Remarkably, typing !! or 
> "!!" or \!\! into google gives you nothing.  Had to use English.
> 
> Got this:
> 
> http://stackoverflow.com/questions/2168406/what-does-double-exclamation-point-mean
> 
> The +42 answer is quite good.  Exec summary: !! is good for cleaning vars 
> into 1 (true) or '' (false), which is important to keep warnings from 
> complaining about undef vars.
> 
> Anyhow, read the comments in the +42 answer.  Hehehe.
> 
> Let the flamewars begin!
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