From: Dave Thomas <dave@...>
Date: 2008-12-09T02:55:17+09:00
Subject: Re: string to hash


On Dec 8, 2008, at 11:44 AM, Jens -- wrote:

> I am in the need of a method that does the following:
>
> get 2 arguments a string and an integer (int_val).
> The string has the following form "a.b.c.d"
>
> the method should return a nested hash like that:
>
> { :a => { :b => { :c => { :d => int_val } } } }

How about

def nested_hash(string, val)
   string.split(/\./).reverse.inject(val) { |accum, val| { val.to_sym  
=> accum } }
end

p nested_hash("a.b.c.d", 123)