From: Pit Capitain <pit@...>
Date: 2006-11-07T23:46:11+09:00
Subject: Re: dividing an array

Farrel Lifson schrieb:
> On 07/11/06, Pit Capitain <pit@capitain.de> wrote:
>> Farrel Lifson schrieb:
>> > On 07/11/06, Brad Tilley <rtilley@vt.edu> wrote:
>> >> Say I have an array that contains 144 strings. I want to divide the
>> >> array into
>> >> 12 sub-arrays each containing 12 strings. What is the Ruby Way of
>> >> doing this?
>> >> I've looked at slice array[0..11] etc, but that seems a bit clunky.
>> >
>> > require 'enumerator'
>> > numbers = Array(0..143)
>> > numbers.enum_slice(12).inject([]) do |array,slice|
>> >   array << slice
>> > end
>>
>> require "enumerator"
>> numbers = Array(0..143)
>> numbers.enum_slice(12).to_a
> 
> That's pretty cool

Farrel, it was you who found the important method Enumerable#enum_slice. 
I just added the standard Enumerable#to_a method. Plus, I'm sure Robert 
K. is happy to see more and more people adding #inject to their toolbox :-)

Regards,
Pit