From: vimal <cool.vimalsmail@...>
Date: 2009-02-17T13:40:03+09:00
Subject: Re: Hash :: Recursive traversing and stripping the values

On Feb 16, 7:03 pm, "Alexandru E. Ungur"
<alexan...@globalterrasoft.ro> wrote:
> >>> sender: "vimal" date: "Mon, Feb 16, 2009 at 09:40:02PM +0900" <<<EOQ
> > So is there any other way to carry out thisstripping
> > functionality thoughout thehash(if nested too)!!!
> >>>EOQ
>
> Of course there is:
>
>         elsif v.class ==Hash
>           strip_hash_values(hash)
>         end
>
> should actually be:
>
>         elsif v.class ==Hash
>           strip_hash_values(v)
>         end
>
> Additionally, you could 'cheat' and use "case" (no more need to check
> the type/class manually):

  This is what an user expects to learn(some additional tips) and
master a scripting lang

>
> def strip_hash_values(hash)
>  hash.each do |k, v|      
>         case v
>     when String
>       v.strip!
>     when Array
>       v.each {|vv| vv.strip!}
>     whenHash
>       strip_hash_values(v)
>         end
>   end
> end
>
> Cheers,
> Alex

Thanks for all your suggestions
I now figure it how.