From: Vivek Netha <vivnet@...>
Date: 2009-01-08T07:30:06+09:00
Subject: Re: Help with HTML parsing

Hi Philip,

could you give me more pointers on how exactly you would do it using 
REXML. with actual code, if possible.

thx.

Phlip wrote:
> Vivek Netha wrote:
> 
>> x = Array.new
>> x << doc.search("//li[@class='g w0']/h3/a")
>> 
>> the XPath checker in firefox shows that I have the right path. but the 
>> command doesn't work in irb. how do i drill down to specific elements so 
>> that i can extract the title text and url? and wats wrong with my 
>> xpath??
> 
> Don't use Hpricot - its XPath support only covers a very few predicate 
> and path
> types. Use libxml-ruby, if you can install it, or REXML, if you don't 
> mind the
> slow speed (the RE stands for Regular Expressions!), or nokogiri, which 
> I don't
> know how to recommend yet, but I will soon.
> 
> BTW Google for my street-name and XPath for all kinds of fun in Ruby 
> with them.

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