From: Aldric Giacomoni <aldric@...>
Date: 2010-01-26T03:00:07+09:00
Subject: Re: Nested hash with arrays for default value

Glen Holcomb wrote:
> I'm trying to find a "nice" way to make a nested hash with an empty 
> array as
> the default "leaf" value.
> 
> Basically I'd like to be able to make an assignment as follows:
> 
>     data[2][3][4][5] << 3
> 
> I can get close but I can't get it right.  The data is going to be 
> coming
> straight out of a log so I can't really build the hash ahead of time.
> 
> --
> "Hey brother Christian with your high and mighty errand, Your actions 
> speak
> so loud, I can’t hear a word you’re saying."
> 
> -Greg Graffin (Bad Religion)

An empty array?
Well.. You can try this:
http://trevoke.net/blog/2009/11/06/auto-vivifying-hashes-in-ruby/
As indicated, I didn't come up with this, and it'll take care of 
creating the hashes for you. You can probably do a check : if nil, then 
create array.. Then add to array.
-- 
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