[Perl] undefind variable

Offer Kaye oferk at oren.co.il
Tue Aug 27 08:01:02 PDT 2002


I'm resending this answer as the first one apparently got lost... :-(
Apologies if you did get this twice.

Offer Kaye

> -----Original Message-----
> 
> > 
> > 
> > Im sorry but I pressed send before typing thanks....
> > 
> > Lior Amir wrote:
> > 
> > > Hello All,
> > > How do I check if a varialbe is or is not defind?
> > >
> 
> Use "defined()", as in "print if defined $switch{'D'};".
> For more info read "perldoc -f defined".
> 
> You're welcome :-)
> Offer Kaye



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