From: John W Higgins <wishdev@...>
Date: 2009-09-15T10:32:24+09:00
Subject: Re: URL format

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On Mon, Sep 14, 2009 at 5:58 PM, Re BR <rereis@hotmail.com> wrote:

> I have the following hash myhash
>   { "inter" => "team", "shirt" => "stripe" }
>
> desired output
>
>  inter=team&shirt=stripe
>
> I tried url_for myhash but got undefined method `url_for' for
>

The single line answer would be

hsh = { "inter" => "team", "shirt" => "stripe" }
hsh.to_a.map{|e| e.join('=')}.join('&') # 'inter=team&shirt=stripe'

Broken down

hsh = { "inter" => "team", "shirt" => "stripe" }
ary = hsh.to_a #[['inter', 'team'], ['shirt', 'stripe']] - take the hash and
switch into array
new_ary = ary.map{|e| e.join('=')} #['inter=team', 'shirt='stripe'] - take
the array and join the inner arrays using a =
final = new_ary.join('&') # 'inter=team&shirt=stripe' take the remaining
array and join the element with &

John

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