I believe the suggestion is that you use the URL for the key, and set the *value* to undef. Then you'll still have a hash with all of the URLs in it as keys.

Like this:

     $fetched{$url} = undef;

Does this make sense?

Linda

In reply to Re: Re: Re: Re: Re: Re: Re: Useless use of substr in void context by leira
in thread Useless use of substr in void context by mkurtis

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