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Hi, I have the following code and XML fragment. How can I achieve to output only once of duplicate nodes? Thanks. Cihan XSL code --------- <xsl:key name="course" match="course" use="LOCAL_CRSE_CD"/> <xsl:template match="courses"> <courses> <xsl:for-each select="course[generate-id()= generate-id(key('course',LOCAL_CRSE_CD)[1])]"> <xsl:element name="course" use-attribute-sets="course1"> <coursetypes> <xsl:for-each select="key('course',LOCAL_CRSE_CD)"> <xsl:for-each select="CRSE_SITE_CD"> <xsl:if test="(self::CRSE_SITE_CD)"> <coursetypeid> <xsl:value-of select="."/> </coursetypeid> </xsl:for-each> </xsl:for-each> </coursetypes> </xsl:element> </xsl:for-each> </courses> </xsl:template current output: -------------------- <courses> <course> <LOCAL_CRSE_CD>CTD-ECPM</LOCAL_CRSE_CD> <coursetypes> <coursetypeid>U</coursetypeid> <coursetypeid>U</coursetypeid> </coursetypes> <course> desired output: -------------------- <courses> <course> <LOCAL_CRSE_CD>CTD-ECPM</LOCAL_CRSE_CD> <coursetypes> <coursetypeid>U</coursetypeid> </coursetypes> <course> ... ... </courses> XML --------------------- <courses> <course num="806"> <LOCAL_CRSE_CD>CTD-ECPM</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> <course num="2499"> <LOCAL_CRSE_CD>CTD-ECPM</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> <course num="1145"> <LOCAL_CRSE_CD>CTD-EQD</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> <course num="1146"> <LOCAL_CRSE_CD>CTD-EQD</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> <course num="2405"> <LOCAL_CRSE_CD>DFSSMS100</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> <course num="2406"> <LOCAL_CRSE_CD>DFSSMS100</LOCAL_CRSE_CD> <CRSE_SITE_CD>U</CRSE_SITE_CD> </course> .... </courses> XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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