Botp, thanks for replay, this is solution:
list.inject(Hash.new(0)) { |hash, el| hash[el[:cod]] += el[:val] ; hash }
I want it out:
{"0006"=>120, "0005"=>17, "0004"=>33, "0002"=>27, "0001"=>22}
Thanks for replay again.
On Fri, Aug 3, 2012 at 8:39 AM, botp <[email protected]> wrote:
> On Fri, Aug 3, 2012 at 7:33 PM, Esmerino Jr <[email protected]>
> wrote:
> > Thanks for replay, but this solution only remove the duplication of
> values
> > and sum of values duplication?
>
> pls show what output you really want.
>
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