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Using xsl:sort to sort output nodes by substrings

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  1. <!--
  2.  
  3. The stylesheet will transform this XML document: 
  4.  
  5. <doc>
  6.     <SortPrefixAndTitle>3|Third Course</SortPrefixAndTitle>
  7.     <SortPrefixAndTitle>1|First Course</SortPrefixAndTitle>
  8.     <SortPrefixAndTitle>2|Second Course</SortPrefixAndTitle>
  9. </doc>
  10.  
  11. into: 
  12.  
  13. <courseTitles>
  14.     <courseTitle>First Course</courseTitle>
  15.     <courseTitle>Second Course</courseTitle>
  16.     <courseTitle>Third Course</courseTitle>
  17. </courseTitles>
  18.  
  19. -->
  20.  
  21. <?xml version="1.0" encoding="UTF-8"?>
  22. <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
  23.     <xsl:template match="/">
  24.         <courseTitles>
  25.             <xsl:apply-templates select="//SortPrefixAndTitle">
  26.                 <xsl:sort select="substring-before(.,'|')"> </xsl:sort>
  27.             </xsl:apply-templates>
  28.         </courseTitles>
  29.     </xsl:template>
  30.     <xsl:template match="SortPrefixAndTitle">
  31.         <xsl:variable name="title" select="substring-after(.,'|')" />
  32.         <courseTitle>
  33.             <xsl:value-of select="$title" />
  34.         </courseTitle>
  35.     </xsl:template>
  36. </xsl:stylesheet>

URL: xsl-sort-substrings

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