John W. Krahn am Donnerstag, 9. März 2006 03.36:
Hans Meier (John Doe) wrote:
[...]
my @array;
#or:
my @array=();
[v--- this sidenote is wrong]
(sidenote: the second form must be used in contexts where the code is
persistent/preloaded and used several times, to ensure that @array is
You need to dereference your array ref.
my $count = @{$var};
Or in some circumstances it might make more sense to explicitly use
scalar context:
my $count = scalar @{$var};
-Original Message-
From: Graeme McLaren [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 08, 2006 3:57 PM
From: Graeme McLaren [mailto:[EMAIL PROTECTED]
Sent: Wednesday, March 08, 2006 3:57 PM
To: beginners@perl.org
Subject: counting scalar array elements question
Hi all, I have an array question:
If I have a variable, $var, and it contains an array how would I be able
to
easily
Hans Meier (John Doe) wrote:
From: Graeme McLaren [mailto:[EMAIL PROTECTED]
If I have a variable, $var, and it contains an array how would I be
able to easily count the number of elements in the array? I've tried
creating a new array and pushing the original array on to it but that
creates
