From: SunRaySon <sunrayson@...>
Date: 2007-02-09T05:09:13+09:00
Subject: Re: Grouping similar attributes

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This can help you too...

def ethnic_group(e, n)

     if @eg.nil?
        @eg = {}
     end

     if @eg[e].nil?
        @eg[e] = []
     end

     @eg[e] << n
     return @eg
end

@eg = nil

ethnic_group('asian', 'domnic')
ethnic_group('asian', 'john')
ethnic_group('spanish', 'rich')

p @eg






On 2/8/07, Dominic Son <dominicson@gmail.com> wrote:
>
> How would one group attributes which came from an array/db?
>
> For example in my DB:
>
>   ---------------------
>   |  NAME   | ETHNIC  |
>   --------------------
>   | Dominic | Asian   |
>   ---------------------
>   | John    | Asian   |
>   ---------------------
>   | Rick    | Spanish |
>   ---------------------
>
> I'd like it to group by Ethnicity:
>
>   Asian
>    - Dominic
>    - John
>
>   Spanish
>    - Rich
>
>
> Is there some ruby thing that makes this convenient?
>
> Thanks a whole bunch.
>
> Dominic
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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