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Re: xpath question

From: Martin Honnen <mahotrash@-----.-->
To: NULL
Date: 2/7/2008 6:22:00 PM


ms wrote:

> I have a doc that looks like this:
> 
> <A>
>     <B></B>
>     <B></B>
>     <B></B>
>     <B></B>
>     <B></B>
>     <C></C>
>     <C></C>
>     <C></C>
>     <Z></Z>
> </A>
> 
> I would like to be able to pull out the unique (DISTINCT as  I know it) 
> values under A. i.e. the results I would like are:
> 
>     <B></B>
>     <C></C>
>     <Z></Z>
> 
> I can't work out get the xpath to get these results, it must be something 
> like "A/*[not(name() = preceding-sibling::A/*name())]" but my little brain 
> can't work it out.

XPath 2.0 can do it:
   /A/*[not(name() = preceding-sibling::*/name())]

I don't think you can do it with XPath 1.0 alone. Let us know if you 
want an XSLT 1.0 solution.


-- 

	Martin Honnen --- MVP XML
	http://JavaScript.FAQTs.com/

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