How do I determine the number of elements in an array reference?

Question

Here is the situation I am facing...

$perl_scalar = decode_json( encode (\'utf8\',$line));

decode_json returns a reference. I am sure this is a

Answer 1

You can see the entire structure with Data::Dumper:

use Data::Dumper;
print Dumper $perl_scalar;

Data::Dumper is a standard module that is installed with Perl. For a complete list of all the standard pragmatics and modules, see perldoc perlmodlib.