From: Mike McKinney <mike.s.mckinney@...>
Date: 2008-01-14T11:22:35+09:00
Subject: Re: regualr expression (need help)

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na, you are trying to execute the "-" method on a string (which doesn't
exist)

if you have two dates, you can execute the "-" method just fine (result is a
Rational)

try this:
  require 'date'

  date_one = Date.parse('2008-01-01')
  date_two = Date.parse('2008-02-02')

  puts "date_one = #{date_one}"
  puts "date_two = #{date_two}"
  diff = date_two - date_one
  puts "date_two - date_one = #{diff} (class:#{diff.class})"
  puts "date_one + diff.to_i = #{date_one + diff.to_i}"

output:
  date_one = 2008-01-01
  date_two = 2008-02-02
  date_two - date_one = 32 (class:Rational)
  date_one + diff.to_i = 2008-02-02

M

On Jan 13, 2008 8:41 PM, Ken Bloom <kbloom@gmail.com> wrote:

> On Sun, 13 Jan 2008 14:37:35 -0500, louis wrote:
>
> > that did help a lot! thanks! now i have to find/read more on what's in
> > the core that needs 'requiring'. thanks again!
>
> I've noticed that. I think it's a bug on ruby-docs.org that somebody
> needs to fix.
>
> --Ken
>
> --
> Ken (Chanoch) Bloom. PhD candidate. Linguistic Cognition Laboratory.
> Department of Computer Science. Illinois Institute of Technology.
> http://www.iit.edu/~kbloom1/ <http://www.iit.edu/%7Ekbloom1/>
>
>

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