Hi all,

After I passed a hash ref to a subroutine, how can I see what the hash name was? i.e.: 
 
my %hash1 = ( one => 1, two => 2 );
 
check_limit(\%hash1);
 
sub check_limit {
        my $hname = $_[0];
 
        my $num = 0; for (keys %{$hname}) { $num++ };
        print "Hash: $hname has $num keys\n";
}

[download]
Result: 
  
Hash: HASH(0x297f8) has 2 keys

[download]
The reason I don't pass the whole hash is because these hash-puppies can get quite large and I'd like to avoid copying them. This is just an example of a problem I'm experiencing writing a larger program.

Thanks beforehand.
Cheers....

In reply to Getting a Hash Name by Anonymous Monk

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