From: Fleck Jean-Julien <jeanjulien.fleck@...>
Date: 2009-10-05T18:43:23+09:00
Subject: Re: Count the number of times an element occurs in an array

Hello,

2009/10/5 Jim Burgess <jack.zelig@gmail.com>:
> Hi,
>
> I need to count the number of times an element occurs in an array.

Using Enumerable.count should do the trick:

a = ["a", "b", "a", "b", "b"]

a.uniq.each do |elem|
  puts "#{elem}\t#{a.count(elem)}"
end


Produces:

a       2
b       3

Cheers,

-- 
JJ Fleck
PCSI1 Lycée Kléber