From: Charles Steinman <acharlieblue@...>
Date: 2005-07-30T08:06:02+09:00
Subject: Re: confusion trying to get IMG tags from html page


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.