Subject: RE: [xsl] Obtaining a list of unique values From: "Andreas L. Delmelle" <a_l.delmelle@xxxxxxxxxx> Date: Thu, 8 Jan 2004 18:09:24 +0100 |
> -----Original Message----- > From: Sasa Cekrlija > > Given an XML file that contains a list of Items each having an attribute > Colour with its value, > is it possible to obtain a list of all unique colours of Items. > In this case, you have a number of options: - use <xsl:key ...> - use generate-id() - use an XPath expression like: <xsl:apply-templates select="Item/Field/Value[not(. = preceding::Value)]" /> On big XMLs with a lot of nesting, the first definitely deserves preference. Please check the FAQ for further help on the usage of the above approaches: for <xsl:key ...> http://www.dpawson.co.uk/xsl/sect2/N4852.html for generate-id() http://www.dpawson.co.uk/xsl/sect2/N4416.html Cheers, Andreas XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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