Re: [MacPerl] Unexpected behaviour with hashes

[Arved Sandstrom <Arved_37@chebucto.ns.ca>]

On Fri, 6 Aug 1999 robinmcf@altern.org wrote:

>  I'm using a hash to remove entries in another hash like this:
> 
> foreach $key(keys(%first_hash){
>  	if exists ($second_hash{$key}){
>  	delete $second_hash{$key};
>  	}
>  }
> 
> the problem is that even if I delete the $key I still get it and it's value
> showing up later, prompting my question:

And once I fix the coding glitches, this code removes any entry in
'second_hash' which has a key also found in 'first_hash'. What do you mean
by "showing up later"?

Arved



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