Re: test value

Josef Moellers <josef.moellers@xxxxxxxxxxxxxxxxxxx> wrote:

John Bokma wrote:
Shane <shane@xxxxxxxxxxxxxxxxxxxx> wrote:


I have some nasty code, that I want to check the value of something
held in a scalar, but there is 'no' value held in there

Data::Dumper tells me the $val = []


$val contains a reference to an empty array, like:

my @array = ();
my $val = \@array;

if (@$val == 0) {
print "Empty\n";
}

@$val or print "Empty\n";

--
John Bokma Freelance software developer
&
Experienced Perl programmer: http://castleamber.com/
.

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