From: pkellner <peter@...>
Date: 2005-07-30T08:36:13+09:00
Subject: Re: confusion trying to get IMG tags from html page

I was really hoping for some code or pseudo code.  I'm new to ruby and
have been thrashing over this for hours.  I promise to put some back
later when I know more about this.  (and sadly, I'm not a regular
expression wizard)

Thanks


Charles Steinman wrote:
> pkellner wrote:
> > I'm trying to download images from a web page that has them listed with
> > html like what I've pasted below.  Basically, I want to iterate through
> > all the <IMG tags and grab the SRC= info and download those files.
> > I've tried a bunch of things with not much luck.  Here is my last
> > attempt.  Any help would be appreciated.
> >
> > require 'net/http'
> > require 'rexml/document'
> >
> > Net::HTTP.start('www.myphotowebsite.com') do |http|
> >   response =
> > http.get('/terry/temp/2005-06-18%20Kiss%20of%20Death%203/')
> >   puts "Code = #{response.code}"
> >   puts "Message = #{response.message}"
> >   #puts "Body = #{response.body}"
> >
> >   #parser = HTMLTree::XMLParser.new(false,false)
> >   #parser.feed(client.getContent(url))
> >   xml=response.body
> >
> >   xml.elements.each('//HREF]') do |node|
> >
> >  end
> >
> >
> >
> >
> >
> > <IMG SRC="/icons/image2.gif" ALT="[IMG]"> <A
> > HREF="IMG_1516.jpg">IMG_1516.jpg</A>            28-Jul-2005 08:59
> > 233k
> > <IMG SRC="/icons/image2.gif" ALT="[IMG]"> <A
> > HREF="IMG_1517.jpg">IMG_1517.jpg</A>            18-Jun-2005 08:03
> > 819k
> > <IMG SRC="/icons/image2.gif" ALT="[IMG]"> <A
> > HREF="IMG_1518.jpg">IMG_1518.jpg</A>            28-Jul-2005 09:00
> > 398k
>
> That isn't valid XML (tags without matching end-tags must have a
> trailing slash), so the parser probably doesn't understand it. Assuming
> the HTML isn't too complicated, you should be able to get the info with
> regular expressions.