Please review the following code:
#! /usr/local/bin/perl

%test = (
test1 => '1',
test2 => '2',
test3 => '3');

$test = (
test1 => '1',
test2 => '2',
test3 => '3');

$count1 = keys %test;
$count2 = keys %{$test};

print $count1,"\n";
print $count2,"\n";

[download]

Returns the following:

3
0


What is the difference between the two hashes besides the obvious that one is referenced.

Thanks,
Logan

In reply to Counting keys in a referenced hash by logie17

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