On 4/11/07, Waters, Tyler S FOR:EX
<Tyler(_dot_)Waters(_at_)gov(_dot_)bc(_dot_)ca> wrote:
<?xml version="1.0" encoding="ISO8859-1" ?>
<CATALOG>
<CD>
<TITLE>Empire Burlesque</TITLE>
<ARTIST>Bob Dylan</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>Columbia</COMPANY>
<PRICE>10.90</PRICE>
<YEAR>1985</YEAR>
</CD>
<CD>
<TITLE>Hide your heart</TITLE>
<ARTIST>Bonnie Tylor</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>CBS Records</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1988</YEAR>
</CD>
</CATALOG>
<xsl:key name="KEY_COUNTRY" match="CD" use="COUNTRY" />
-- indexes all the items based on country
This is a XSLT 1.0 technique to get unique values (known as Muenchian method):
<xsl:for-each select="CATALOG/CD[generate-id() =
generate-id(key('KEY_COUNTRY', COUNTRY)[1])]">
<xsl:value-of select="COUNTRY" /><br/>
</xsl:for-each>
With XSLT 2.0, you can use distinct-values function:
<xsl:for-each select="distinct-values(CATALOG/CD/COUNTRY)">
<xsl:value-of select="." /><br/>
</xsl:for-each>
--
Regards,
Mukul Gandhi
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