You could use Clone and copy the hash using my %two = %{ Clone::clone(\%one) };
Or use hashrefs all the way: 
my $hr_one = {
  'a' => [1, 2],
  'b' => [3, 4],
  'c' => [5, 6]};
my $hr_two = Clone::clone($hr_one);

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In reply to Re^3: Copy of multidimensional hash by Neighbour
in thread Copy of multidimensional hash by tommaso.fornaciari

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