From: Stefano Crocco <stefano.crocco@...>
Date: 2008-10-11T22:37:40+09:00
Subject: Re: newbie q: stripping duplicates

Alle Saturday 11 October 2008, pierodancona@gmail.com ha scritto:
> This is certainly well known, but not to me.
>
> >> a  = [{"aa"=>"bb"},{"aa"=>"bb"}]
>
> => [{"aa"=>"bb"}, {"aa"=>"bb"}]
>
> >> a.uniq
>
> => [{"aa"=>"bb"}, {"aa"=>"bb"}]
>
> Why? and, what should I use instead of .uniq
> to remove the duplicate?
>
> Thank you
> Piero

It works for me (with ruby-1.8.7-p72):

irb(main):005:0> a = [{"aa" => "bb"}, {"aa" => "bb"}]
=> [{"aa"=>"bb"}, {"aa"=>"bb"}]
irb(main):006:0> a.uniq
=> [{"aa"=>"bb"}]

Which version of ruby are you using?

Stefano