From: Aaron Patterson <aaron@...>
Date: 2009-07-24T07:15:52+09:00
Subject: Re: Problem with xpath in scrubyt.

On Wed, Jul 15, 2009 at 01:35:10PM +0900, likhon wrote:
> I wrote the below code using scrubyt gem. but it return null value.
> But when I run this code using firefox agent it return perfect
> results. I do not want to open any agent. Could anyone tell me whats
> wrong with the following code.
> 
> 
> --------------------------------------------------------
> def self.get_data_from_half_ebay(isbn)
>   half_ebay_data = Scrubyt::Extractor.define do
>     fetch "http://search.half.ebay.com/#{isbn}"
>     henewbooks "//html/body/table[2]/tbody/tr/td/table[4]/tbody/tr/td
> [2]/table/tbody/tr/td/table[2]/tbody" do
>         henb "//tr[@class = 'tr-border']" do
>           henbprice "//span[@class = 'ItemPrice']"
>           henbbuylink "//a[@class = MoreInfo]/@href"
>         end
>     end
> 
>   end
>   @description = half_ebay_data.to_xml
>   return @description
> end
> ----------------------------------------------------------------------------------

Firefox adds the "tbody" node.  Try your xpath again, but remove
"tbody".

-- 
Aaron Patterson
http://tenderlovemaking.com/