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XPath (Score:3, Informative)

by ziggy (25)

XPath is incredible.

Yep. Wrap your brain around this hack:
document(//a/@href[contains(., '.html')])/html/head/title

In the context of an XSLT stylesheet (or something that provides the document() function to retrieve a document by name), this little tidbit finds all of the links containing .html in the href, fetches them, parses them, and returns the title of each page.
A spider. In one expression.
Assign that to a nodeset and reapply the expression, and you're going two levels out. (Or just nest
- Re:XPath (Score:2)
  
  by gnat (29)
  
  Wow, tidy [sourceforge.net] is great! Thanks for the tip!
  (Morbus, you getting this for Spidering Hacks? :-)
  --Nat
  - Re:XPath (Score:1)
    
    by deltab (4360) on 2003.07.02 13:45 (#21685)
    
    Dammit, this is the secret I was going to reveal under the heading "When XPath won't work (and how to make it work anyway)".
    
    Reply to This
    
    Parent

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