From: Tom Stone <miner@...>
Date: 2002-10-31T06:18:35+09:00
Subject: Re: get index.htm and read it out

Could it be the failure that i'm using this version?

ruby 1.7.2 (2002-07-02) [i386-mswin32]



"Bill Kelly" <billk@cts.com> wrote in message
news:023001c28050$003ea640$fa7b1b42@musicbox...
> Hi,
>
> From: "Tom Stone" <miner@arcor.de>
> > Hi,
> > I found this code the pragmatic programmers book.
> > require 'net/http'
> >
> > h = Net::HTTP.new('www.pragmaticprogrammer.com', 80)
> > resp, data = h.get('http://www.pragmaticprogrammer.com/index.html', nil)
> > if resp.message == "OK"
> >   data.scan(/<img src="(.*?)"/) { |x| puts x }
> > end
> >
> > So I copied this code and tried to execute it with the ruby interpreter.
But
> > it didn't work. It just displays an errror message "private method scan
> > called for nil". Does anyone have a suggestion why this does not work?
> > Thanks
>
> Pasting lines from your email above into irb worked OK for me
> here (ruby 1.6.6 (2001-12-26) [i586-mswin32]).
>
> irb> require 'net/http'
> true
> irb> h = Net::HTTP.new('www.pragmaticprogrammer.com', 80)
> #<Net::HTTP www.pragmaticprogrammer.com:80 open=false>
> irb> resp, data = h.get('http://www.pragmaticprogrammer.com/index.html',
nil)
> [#<Net::NetPrivate::HTTPResponse 200>, "<!DOCTYPE HTML PUBLIC
\"-//W3C//DTD
> HTML 4.0 Transitional//EN\">  [......long string elided.....]
> irb> resp.message == "OK"
> true
> irb> data.scan(/<img src="(.*?)"/) { |x| puts x }
> images/title_main.gif
> images/dot.gif
> images/dot.gif
> images/dot.gif
> images/aafounders_70.jpg
> images/pp_cover_thumb.png
> images/ruby_cover_thumb.png
> images/dot.gif
> images/dot.gif
>
>
> Perhaps if you try it in IRB it'll be more clear which part
> of the code is failing on your system?
>
> HTH,
>
> Bill
>
>
>
>
>