From: Ruby Mania <lists@...>
Date: 2012-10-15T06:04:29+09:00
Subject: Re: how to join the return of array

Thanks a bunch !
  This works like a charm but just curious why I have to initialize and 
I could not just do

  out[symb] << hq.close

  without initialize


Henry Maddocks wrote in post #1079818:
> out = Hash.new do {|h,v| h[v] = []}
>
> YahooFinance::get_HistoricalQuotes( symb, Date.parse('2012-10-06'),
> Date.today() ) do |hq|
>   puts "#{symb} -> #{hq.close}"
>   out[symb] << hq.close
> end
>
> Henry

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