Select Code to Download

   For constructs that do interpolate, variables beginning
   with ""$"" or ""@"" are interpolated, as are the following
   escape sequences.

  use Data::Dumper;
  print Dumper \%hash;
...
  while( my ($k, $v) = each %hash ){
    printf " %s --> %s\n", %k, $v;
  }