From: Ralf Wildenhues <ralf.wildenhues@gmx.de>
Date: Wed, 24 Oct 2007 20:40:11 GMT
Subject: Re: git-remote: Use of uninitialized value in string ne, line 248
Message-ID: <20071024204010.GC15978@ins.uni-bonn.de>
In-Reply-To: <20071024202724.GA2292@piper.oerlikon.madduck.net>

* 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