select value from attribute : select « XSLT stylesheet « XML Tutorial

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File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<eu>
 <member>
  <state>Austria</state>
  <state founding="yes">Belgium</state>
 </member>
 <candidate>
  <state>Bulgaria</state>
  <state>Cyprus</state>
  <state>Turkey</state>
 </candidate>
</eu>


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="xml" indent="yes" />

  <xsl:template match="eu">
    <xsl:apply-templates select="member" />
  </xsl:template>

  <xsl:template match="member">
    <eu-members>
      <xsl:apply-templates select="state[@founding]" />
    </eu-members>
  </xsl:template>

  <xsl:template match="state">
    <xsl:copy>
      <xsl:apply-templates />
    </xsl:copy>
  </xsl:template>

</xsl:stylesheet>

Output:

<?xml version="1.0" encoding="UTF-8"?>
<eu-members>
   <state>Belgium</state>
</eu-members>