From: Joel VanderWerf <vjoel@...>
Date: 2009-07-02T02:50:05+09:00
Subject: Re: date time subtraction

aidy wrote:
> Hi,
> 
> I am trying to do a subtraction of the date and time in the format
> below with the current date and time
> 
> "2009-07-01 18:24:20"
> 
> Will I need to tokenise this string and do individual number
> comparisons?

irb(main):007:0> require 'time'
=> true
irb(main):009:0> t = Time.parse "2009-07-01 18:24:20"
=> Wed Jul 01 18:24:20 -0700 2009
irb(main):010:0> t.to_i
=> 1246497860
irb(main):011:0> t.day
=> 1
irb(main):012:0> t.hour
=> 18

See the Time class for details. You can also directly compare time 
objects (without using to_i to get seconds since the epoch):

irb(main):013:0> Time.now < Time.now
=> true

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407