From: Rodrigo Bermejo <rodrigo.bermejo@...>
Date: 2008-06-06T04:17:20+09:00
Subject: Re: Accessing a hash in a hash

Justin To wrote:
> 
> Hello, I'm new to Ruby and am trying this example problem. I'm suppose
> to have a hash key whose value is a hash.
>     Ex. hash['a'] => hash
> 
> Then, I'm suppose to change the second hash's keys and values...
> 
> how do i go about this?
> 
> Hash1:    Key    =>  ( Hash2:     aKey  => aValue )
> 
> I want to change aKey and aValue
> 
> Hash1[key]??????
> 
> How do I index it, or access it??
> 
> Thanks in advance!!!!
 ---> a["b"]["c"]=2

D:>irb
irb(main):001:0> a={}
=> {}
irb(main):002:0> a["b"]={"c" => "1"}
=> {"c"=>"1"}
irb(main):004:0> require 'pp'
=> true
irb(main):005:0> pp a
{"b"=>{"c"=>1}}
=> nil
irb(main):006:0> a["b"]["c"]=2
=> 2
irb(main):007:0> pp a
{"b"=>{"c"=>2}}
=> nil
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