From: Rodrigo Bermejo <rodrigo.bermejo@...>
Date: 2009-02-11T07:01:27+09:00
Subject: Re: Counting Occurrences of a String in an Array

unknown wrote:
> Hi,
> 
> I'm pretty new to Ruby, and I've been trying to figure out the best
> way to do this with little luck.
> 
> I have an array that is all strings, and I need to count, for each
> string in the array, how many times some substring appears in it.
> 
> So, for example, my array is ["aaa", "aab", "abb", "bbb"] and I want
> to return a new array that tells me how many times "a" appears: [3, 2,
> 1, 0]
> 
> Can anyone point me in the right direction with this?
> 
> Thanks!

Sounds like greping !

["aaa", "aab", "abb", "bbb"].grep ....half of the answer.
-- 
Posted via http://www.ruby-forum.com/.