So why not simply extend your subroutine:

my %hash1 = ( one => 1, two => 2 );

check_limit(\%hash1, '%hash1');

sub check_limit {
  my $href = $_[0];
  my $name = $_[1];

  my $num = 0; for (keys %{$href}) { $num++ };
  print "Hash '$name' has $num keys\n";
}

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In reply to Re: Getting a Hash Name by Dietz
in thread Getting a Hash Name by Anonymous Monk

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