except operator : except « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. except

except operator

File: Data.xml

<?xml version="1.0" encoding="utf-8"?>
<favorite-books>
  <booklist>
    <book isbn="1111111111" 
      favorite="f1">XSLT</book>
    <book isbn="2222222222" 
      favorite="Doug">Java</book>
    <book isbn="3333333333" 
      favorite="Doug">C++</book>
    <book isbn="4444444444" 
      favorite="f1">SQL</book>
    <book isbn="5555555555" 
      favorite="Sheri">Oracle</book>
    <book isbn="0375724443" 
      favorite="Sheri">Ava's Man</book>
  </booklist>
</favorite-books>

File: Transform.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="2.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  
  <xsl:output method="text"/>
 
  <xsl:variable name="Dougs-favorites" as="node()*">
    <xsl:sequence select="/favorite-books/booklist/book[contains(@favorite, 'Doug')]"/>
  </xsl:variable>

  <xsl:variable name="Sheris-favorites" as="node()*">
    <xsl:sequence select="/favorite-books/booklist/book[contains(@favorite, 'Sheri')]"/>
  </xsl:variable>

  <xsl:template match="/">
    <xsl:text>&#xA;Books Doug likes but Sheri doesn't:</xsl:text>
    <xsl:text>&#xA;&#xA;  </xsl:text>

    <xsl:for-each select="$Dougs-favorites except $Sheris-favorites">
      <xsl:sort select="."/>
      <xsl:value-of select="."/>
      <xsl:text>&#xA;  </xsl:text>
    </xsl:for-each>
  </xsl:template>

</xsl:stylesheet>

Output:


Books Doug likes but Sheri doesn't:

  C++
  Java
  

 

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