From: William James <w_a_x_man@...>
Date: 2008-03-02T03:50:04+09:00
Subject: Re: Scan HTML



Tom Arra wrote:
> William James wrote:
> > On Mar 1, 7:56 am, Tom Arra <turtleman14...@gmail.com> wrote:
> >> >> require 'net/http'
> >> > So far I think this is closest to what I am looking for. I need to go to
> >>
> >> I want to pull just the 7.0.0.3.4 and none of the words. I am sure this
> >> is going to have to deal with more regular expressions but I never
> >> really understood how to use them well.
> >> --
> >> Posted viahttp://www.ruby-forum.com/.
> >
> > E:\>irb --prompt xmp
> > s = " <h3>blah blah 7.0.0.3.4 blah</h3>"
> >     ==>" <h3>blah blah 7.0.0.3.4 blah</h3>"
> > # Find a substring composed of numerals and dots that is
> > # at least 3 characters long.
> > s[ /[\d.]{3,}/ ]
> >     ==>"7.0.0.3.4"
>
> Your really good at this stuff! One thing i noticed is that it works
> perfectly for the regular domain but as soon as I put a full URL into
> the Net::HTTP.new command it starts to throw errors. Any ideas.

Use the rest of the URL as the argument for ".get()":

require 'net/http'
puts Net::HTTP.new('www.newlisp.org').get('/index.cgi?Documentation').
  body[ %r{<title(?:\s*|\s+.*?)>(.*?)</title\s*>}mi, 1 ]