Avoiding duplicates in the node selection

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Subject: Avoiding duplicates in the node selection
From: "Max Rubinstein" <mrubinst@xxxxxxxxxxx>
Date: Wed, 28 Jun 2000 08:49:06 CDT

Hi,

I have the following XML source:

<Resources>
	<Resource URL="http://www.aspindustry.org/">
		<Keywords> <ASP/> <SB/> </Keywords>
	</Resource>
	<Resource URL="http://www.aspnews.com/">
		<Keywords> <ASP/> </Keywords>
	</Resource>
	<Resource URL="http://msdn.microsoft.com/wmi.asp">
		<Keywords> <WMI/> </Keywords>
	</Resource>
</Resources>

As you may notice, the same keyword may appear under different resources. My goal is to produce a list of keywords, sorted alphabetically, with no duplicates, to populate the HTML list with options.

This is the XSL I came up with:

<?xml version="1.0" ?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> <xsl:template match="/"> <xsl:for-each select="//Keywords/node()"> <xsl:sort select="name()" order="ascending"/> <option> <xsl:attribute name="value"><xsl:value-of select="name()"/></xsl:attribute> <xsl:value-of select="name()"/> </option> </xsl:for-each> </xsl:template> </xsl:stylesheet>

It works, but I get duplicate entries as a result. I would like to figure out how to remove duplicate keywords.

Thanks for any help,

-Max


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Current Thread
Avoiding duplicates in the node selection Max Rubinstein - Wed, 28 Jun 2000 08:49:06 CDT <= Warren Hedley - Wed, 28 Jun 2000 11:12:12 -0400 <Possible follow-ups> Linda van den Brink - Wed, 28 Jun 2000 16:32:22 +0200 Ben Robb - Wed, 28 Jun 2000 16:19:55 +0100

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