Ruby on Rails

On Wed, Aug 1, 2012 at 8:35 PM, Esmerino Jr <jose.esmerino@gmail.com> wrote:
> I have a hash like so:
>
> list=[
>   {:cod => "0001", :name => "name1", :val => 10},
>   {:cod => "0001", :name => "name1", :val => 12},
>   {:cod => "0002", :name => "name2", :val => 13},
>   {:cod => "0002", :name => "name2", :val => 14},
>   {:cod => "0002", :name => "name2", :val => 14},
>   {:cod => "0004", :name => "name4", :val => 16},
>   {:cod => "0004", :name => "name4", :val => 16},
>   {:cod => "0004", :name => "name4", :val => 17},
>   {:cod => "0005", :name => "name5", :val => 17},
>   {:cod => "0005", :name => "name5", :val => 17},
>   {:cod => "0005", :name => "name5", :val => 17},
>   {:cod => "0006", :name => "name6", :val => 110},
>   {:cod => "0006", :name => "name6", :val => 10},
> ]
>
> What I would like to learn how to do is how to remove a record if it is
> duplicate end sum values :val.

try

list.uniq

kind regards -botp

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