From: Andrew Timberlake <andrew@...>
Date: 2009-04-09T17:55:23+09:00
Subject: Re: Hash key : string or symbol!?

On Thu, Apr 9, 2009 at 10:31 AM, Abir B. <abboura84@yahoo.fr> wrote:
> Hello,
> I had to manipulate a hash (delete pairs, add pairs, )
>
> But my problem is that the data comes sometimes as string and other
> times as symbol, and this makes problems in updating the hash (sometimes
> I have an entry 2 times with a symbol key and string key).
>
> for example in this code:
> hash = {:a => :b, 2 => 3, "g"=> 5 }
> => {2=>3, "g"=>5, :a=>:b}
> h = {:a => :b, 2 => 4, :g=> 6 }
> => {:g=>6, 2=>4, :a=>:b}
> hash.merge(h)
> => {:g=>6, 2=>4, "g"=>5, :a=>:b}
>
> I want that the value of hash["g"] changes to 6 without adding another
> pair {:g => 6}
>
> Someone has any idea?
> thanks
> --
> Posted via http://www.ruby-forum.com/.
>
>

new_hash = {}
hash.each { |k,v| new_hash[k.to_sym] = v }
h.each { |k,v| new_hash[k.to_sym] = v }


Andrew Timberlake
http://ramblingsonrails.com
http://www.linkedin.com/in/andrewtimberlake

"I have never let my schooling interfere with my education" - Mark Twain