From: Christian Neukirchen <chneukirchen@...>
Date: 2007-07-21T23:27:07+09:00
Subject: Re: Beautiful Code : Pity he didn't ask here...


John Carter <john.carter@tait.co.nz> writes:

> For example scanning a log file.....
>
> EXAMPLE 4-2 . Printing article names
> 1 ARGF.each_line do |line|
> 2   if line =~ %r{GET /ongoing/When/\d\d\dx/(\d\d\d\d/\d\d/\d\d/[^ .]+) }
> 3     puts $1
> 4   end
> 5 end
>
> Since most Linux distro's roll the log files to a reasonable size I would have just gone with...
>
> ARGF.read.scan( %r{GET /ongoing/When/\d\d\dx/(\d\d\d\d/\d\d/\d\d/[^ .]+) }) do |match|
>    puts $1
> end

Kinda late to the party, but I'm amazed noone came up with:

ARGF.grep(%r{GET /ongoing/When/\d\d\dx/(\d\d\d\d/\d\d/\d\d/[^ .]+) }) {
  puts $1
}

-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org