RE: Grouping

Hi,

See FAQ entry <http://www.dpawson.co.uk/xsl/sect2/N4486.html#d981e94>.

> I have this xml:
>
> <root>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
>       <child></child>
> </root>
>
> and i have to write an xsl that gives this output:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
>       <parent>
>               <child></child>
>               <child></child>
>       </parent>
>       <parent>
>               <child></child>
>               <child></child>
>       </parent>       
>       <parent>
>               <child></child>
>               <child></child>
>       </parent>       
>       <parent>
>               <child></child>
>               <child></child>
>       </parent>
>       <parent>
>               <child></child>
>               <child></child>
>       </parent>
> </root>
>
> that is a grouping of 2 child, but this number is not a 
> constant, instead it is a parameter.
<xsl:param name="n" select="2" />

<xsl:template match="root">
  <xsl:copy>
    <xsl:for-each select="child[position() mod $n = 1]">
      <parent>
        <xsl:copy-of select=". | following-sibling::child[position() &lt; $n]" 
/>
      </parent>
    </xsl:for-each>
  </xsl:copy>
</xsl:template>

Cheers,

Jarno - L´âme Immortelle: Tiefster Winter

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