On Jul 9, 12:44 am, [EMAIL PROTECTED] (Luke Devon) wrote:
> Hi
>
> How can we define NULL values in perl ? for instance if I wanted to assign a
> NULL value for a variable called "$x= , how would it be in the code ?
>
> Thank you
> Luke
>
> Send instant messages to your online friendshttp://uk.messenger.yahoo.com
Three examples of code that results in $x being undef:
sub show { print defined $_[0]? "defined\n": "undef\n" }
my $x; show $x;
$x = undef; show $x;
undef $x; show $x;
__END__
undef
undef
undef
--
Brad
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