From: Ilan Berci <coder68@...>
Date: 2009-02-03T05:59:08+09:00
Subject: Re: Hash counting

Stuart,

I believe this will get you closer to what you want..

[1,2,2,3,3,3].inject({}) do |hash, val|
  hash[val] ||= 0
  hash[val] +=1
  hash
end

=> {1=>1,2=>2,3=>3}

hth

ilan


Stuart Clarke wrote:
> I am trying to load some data into a hash and then count how many times
> it occurs in the hash, if it occurs more than 5 times then we are adding
> some data to an array. Below is my code which I will explain
> 
> eventdateID.push eventsbydate.gsub(/\s/, '')[0..7] +
> eventsbydate[26..30]
> counts = Hash.new(0)
>   if eventdateID.find {|d| (counts[d] +=1) >= 5}
>     @alerts.push("#{event.event_id} #{@tab} #{event.time_written}
> #{@tab}#{event.event_type} #{@tab} #{type}")
>   end
> 
-- 
Posted via http://www.ruby-forum.com/.