sort order="descending" : Sort « XSLT stylesheet « XML Tutorial

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2. XSLT stylesheet
3. Sort

File: Data.xml

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet href="Transform.xslt" type="text/xsl"?>

<europe>
  <state>Belgium</state>
  <state>Germany</state>
  <state>Finland</state>
  <state>Greece</state>
  <state>Ireland</state>
  <state>Luxembourg</state>
  <state>Switzerland</state>
</europe>

File: Transform.xslt

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="text" />

  <xsl:template match="europe">
    <xsl:apply-templates select="state">
      <xsl:sort order="descending" />
    </xsl:apply-templates>
    <xsl:text>Number of European States: </xsl:text>
    <xsl:value-of select="count(state)" />
    <xsl:text>&#10;</xsl:text>
  </xsl:template>

  <xsl:template match="state">
    <xsl:text> - </xsl:text>
    <xsl:apply-templates />
    <xsl:text>&#10;</xsl:text>
  </xsl:template>

</xsl:stylesheet>

Output:

 - Switzerland
 - Luxembourg
 - Ireland
 - Greece
 - Germany
 - Finland
 - Belgium
Number of European States: 7