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RE: Getting the first and last nodes of a sorted nodeset

2004-04-09 09:28:35
Thanks, Wendell, for the information about binding a variable to the
sorted result tree fragment.  Since my friend's need was to grab the
earliest and latest dates and the dates are guaranteed to be 10
characters long (2004-01-31) he can use a much simpler approach than I
sent him previously:

<xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
version='1.0'>
<xsl:output method='html'/>

<xsl:template match="/root">
<html>

  <xsl:variable name="ND">
    <xsl:apply-templates select="//nd">
      <xsl:sort/>
    </xsl:apply-templates>
  </xsl:variable>

  <xsl:call-template name="test_template">
    <xsl:with-param name="b"><xsl:value-of select="substring($ND, 1,
10)"/></xsl:with-param>  <!-- earliest date -->
    <xsl:with-param name="c"><xsl:value-of select="substring($ND,
string-length($ND)-9, 10)"/></xsl:with-param> <!-- latest date -->
  </xsl:call-template>

</html>
</xsl:template>

<xsl:template name="test_template">
  <xsl:param name="b"></xsl:param>
  <xsl:param name="c"></xsl:param>
  <xsl:value-of select="$b" /><br/>
  <xsl:value-of select="$c" />
</xsl:template>

</xsl:stylesheet>