[VPM] array refs driving me nuts

[Malcolm Dew-Jones]

On Thu, 20 May 2004, Carl B. Constantine wrote:

> WARNING WILL ROBINSON --- NEWBIE QUESTION
>
> I'm trying to print out the value of an array reference. The reference
> is passed into a function as \@array.
>
> Now in that function I pass out $arrayRef to another function. It's in
> this final function I want to print out the value(s) of the array.
>
> I've tried @$arrayRef, $$arrayRef, $@$arrayRef, @$arrayRef[0] all to no
> avail.
>
> What did I miss?

A small but complete example that illustrates the problem?

@$arrayRef would normally work.

@{$arrayRef} might be needed if it's part of something more complex.


The following example does what it sounds like you want, so whatever is
different is the problem

  my @array = qw(one two three four);

  sub func2 { my $arrayRef2 = shift; print "func2: @$arrayRef2 \n"; }
  sub func1 { my $arrayRef1 = shift; func2($arrayRef1); }

  func1( \@array );

It prints the contents of the original array.