From: Ben Giddings <bg-rubytalk@...>
Date: 2010-09-07T14:47:11+09:00
Subject: Re: convert  date

On Sep 6, 2010, at 23:21, Pen Ttt wrote:
> 1.why
> irb(main):002:0>  require 'date'
> => false

Something already included it.  Possibly something in Rubygems,  
possibly something irb loads automatically.

> 2.is there  more simple way to change "oct" into 10?

irb(main):004:0> dates = {"jan" => 1, "feb" => 2, "oct" => 10}
=> {"oct"=>10, "jan"=>1, "feb"=>2}
irb(main):005:0> dates["oct"]
=> 10

Ben