I am new to perl. I am trying to use join with a array reference, but it is not working. Here is my code. my $arr = { 'items' => ('home', 'chair', 'table') }; my $output = join(',', $arr-&g...

I can't get arrayrefs passed into a C function using Inline C. I would like some help, please. First, just to prove I can get Inline C to work, I'll pass a scalar value to a C function: #!/usr/bi...

if((scalar keys ($this->{'libraries'}->{$y}->{'cellHash'})) == 0){ This is the line where I am getting the "Type of argument to keys on reference must be unblessed hashref or arrayref" ...

In Perl, you can assign to a variable a reference to another variable, like this: my @array = (1..10); my $ref = \@array; And, as it is a reference, you can do something like this and both varia...