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For future reference, I suggest raising this sort of question on the
XSL-List[1] instead.
XSLT/XPath 1.0 doesn't provide a generalized form of what you want, so
you'll have to craft your XPath expressions on a case-by-case basis. This
particular example is pretty easy to solve.
<xsl:for-each select="/TAG1/TAG2[not(.=preceding::TAG2)]">...
The current form[2] may change, but XQuery/XPath 2.0 will in any case
provide a generalized mechanism for doing this.
Hope this helps!
Evan Lenz
XYZFind Corp.
[1] http://mulberrytech.com/xsl/xsl-list/index.html
[2] http://www.w3.org/TR/xquery-operators/#func-distinct-values
> -----Original Message-----
> From: Culshaw, James [mailto:james.culshaw@intel.com]
> Sent: Wednesday, January 30, 2002 12:51 AM
> To: XML-Dev (E-mail)
> Subject: [xml-dev] XLST 'DISTINCT' Equivalent
>
>
> Hi,
>
> I was wondering if there was a way of using XSLT to return a
> distinct set of
> values from an XML document?
>
> e.g.
>
> <TAG1>
> <TAG2>John</TAG2>
> <TAG2>Fred</TAG2>
> <TAG2>John</TAG2>
> </TAG>
>
>
> What I want back using XSL or XSLT is Fred and John.
>
> James :-)
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