From: Florian Frank <flori@...>
Date: 2005-06-22T11:49:39+09:00
Subject: Re: Histogram-type Data

Charles L. Snyder wrote:

> I have a text-parsing question -
>
>array1 = ["Joe lives in France", "Sue goes to Japan", "Hiro walked around
>France", "Bill moved to England"]
>a_countries = ["France", "Japan", "England", "Spain"]
>  
>
puts a_countries.inject({}) {|h,c| h[c] = array1.inject(0) { |s,a| s + 
a.scan(c).size }; h }.sort_by { |_,v| -v }.map { |a| "%10s%10u" % a }

-- 
Florian Frank