On Oct 29, Bob Showalter said: >[EMAIL PROTECTED] wrote: >> Though about using a hash but I don't have a need for a Key/Value >> combination. I just need a list without duplicates. I suppose I can >> define the hash keys if they don't already exists and export the keys >> into an array with the keys function. Is that what you are hinting >> towards? > >Yes, that's what I'm hinting at :~) > >A hash would be called for if you need to do repeated tests to see whether >an element exists in the set. The downside to pulling the unique values with >keys() is that you lose the original order, if that matters. > >Tie::Array::Unique will take care of the problem and preserve the order, >while letting you push entries onto the array without worrying about >creating duplicates.
Thank you for the plug. :) Tie::Array::Unique is a transparent solution -- that is, all you do is tie the array to T::A::U and things get done. Using hashes isn't all that hard, but T::A::U does that for you. -- Jeff "japhy" Pinyan % How can we ever be the sold short or RPI Acacia Brother #734 % the cheated, we who for every service http://japhy.perlmonk.org/ % have long ago been overpaid? http://www.perlmonks.org/ % -- Meister Eckhart -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
