Re: Testing Uninitialized Vars

[Steve Grazzini]

On Thu, Oct 02, 2003 at 07:41:41PM -0700, [EMAIL PROTECTED] wrote:
> unless understood, how about this.
> 
> if (defined $x and length $x)
> 
> So, is this the opposite?
>
> if (! defined $x and ! length $x)

Nope; now you've got a boolean logic problem.

Either of these would work, but unless() is nicer.

  if ( !(defined $x and length $x) )   { ... }

  if ( !(defined $x) or !(length $x) ) { ... }

-- 
Steve

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