From: Tim Hunter <TimHunter@...>
Date: 2008-12-20T23:30:22+09:00
Subject: Re: get first and last line from txt file - how?

Mmcolli00 Mom wrote:
> I have txt file with date/time stamps only. I want to grab the first
> date/time and the last date/time. For instance, I will be needing
> 08/09/08 3:00 and 08/24/08 3:00 from the below queued.txt. Do you know
> how I can pull these out? Thanks in advance.
> 
> queued.txt
> 8/09/08 3:00
> 8/10/08 5:00
> 8/23/08 22:00
> 8/24/08 3:00
> 
> firstDate = ""
> lastDate = ""
> 
> File.open('queued.txt', 'r') do |f1|
>  while line = f1.gets
>    if f1.lineno ==  1 then #<-this would only give me 8/09/08 3:00
>     @@fistDate = f1
>    end
> end

lines = IO.readlines("queued.txt")
first = lines.first
last = lines.last

puts first
puts last


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