Re: [xsl] Count books in all book categories

[David Carlisle <davidc@xxxxxxxxx>]

see Jeni's site for more information on xslt grouping, but

<xsl:key name="c" match="book" use="cat"/>

<xsl:template match="bookshelf">
<xsl:for-each select="book[generate-id()=generate-id(key('c',cat))]">
<xsl:sort select="cat"/>
: <xsl:value-of select="cat"/>: <xsl:value-of select="count(key('c',cat))"/>
</xsl:for-each>
</xsl:template>

David

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