Cool/useful short examples of Perl?

[Denny]

On Mon, 2011-05-30 at 19:35 +0100, Jason Clifford wrote:
> On Mon, 2011-05-30 at 16:27 +0100, Denny wrote:
> > >     if (! Email::Valid->address($email_address) ) {
> > 
> > Something wrong with 'unless'?
> 
> No but lots of people appear to find "if" to be more readable

It's not a choice between 'if' and 'unless' though, it's a choice
between 'if not' and 'unless'.  I'm honestly very surprised that any
native English speaker would find 'if not' more readable than 'unless'.

Which reminds me, 'not' is also more readable than '!', while we're on
the subject.  :)

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