From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Subject: Re: git-remote: Use of uninitialized value in string ne, line 248
Date: Wed, 24 Oct 2007 22:40:11 +0200
Organization: Department of Numerical Simulation, University of Bonn
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Cc: Alex Riesen <raa.lkml@gmail.com>,
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To: martin f krafft <madduck@madduck.net>
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* martin f krafft wrote on Wed, Oct 24, 2007 at 10:27:24PM CEST:
> 
> perl -e 'print "The earth is a disk!\n" if ( "earth" == "flat" );'

Well, numerical equality and string equality are two different things,
try eq instead (see: perldoc perlop).

> Is there a way to make it explicit that you're checking for a value
> being defined, where a "false" value would count as true, just as
> long as there is a value?

Yes.  It's called "defined".
  perl -e 'my $a=0; print "yes\n" if defined $a;'

It should be used here, to allow "0" branches.

Cheers,
Ralf