Re: [xsl] Identifying unique attribute values in nested sibling elements

Mark wrote:
> I apologize, I meant to include that information - I am using XSLT 2.0.
Then you should be able to easily nest two for-each-group group-by

  <xsl:template match="Set">
    <xsl:for-each-group select="Stamp" group-by="Formats/@se-tenant">
      <xsl:for-each-group select="current-group()" 
select="string-join(Value/@*, '|'">
        <!-- now the first Stamp in each group is simply . e.g. -->
        <xsl:value-of select="./Value/@*/concat(local-name(), '=', .)" 
separator=" "/>
         <br/>
      </xsl:for-each-group>
    </xsl:for-each-group>
  </xsl:template>

> > <Set>
> > <!--possibly other unrelated <Stamp> elements here-->
> > <Stamp>
> > <CatNumbers pofis-number="1"/>
> > <Value kc-value="14"/>
> > <Formats se-tenant="1"/>
> > </Stamp>
> > <!--possibly other unrelated <Stamp> elements here-->
> > <Stamp>
> > <CatNumbers pofis-number="2"/>
> > <Value kc-value="18"/>
> > <Formats se-tenant="1"/>
> > </Stamp>
> > ..... <!--possibly other unrelated stamp elements-->
> > <Stamp>
> > <CatNumbers pofis-number="3"/>
> > <Value kc-value="18" h-value="50"/>
> > <Formats se-tenant="1"/>
> > </Stamp>
> > <!--possibly other unrelated <Stamp> elements here-->
> > <Stamp>
> > <CatNumbers pofis-number="4"/>
> > <Value kc-value="14" />
> > <Formats se-tenant="1"/>
> > </Stamp>
> > <!--possibly other unrelated <Stamp> elements here-->
> > <Stamp>
> > <CatNumbers pofis-number="5"/>
> > <Value kc-value="0" l-value="A" />
> > <Formats se-tenant="1"/>
> > </Stamp>
> > </Set>
> >
> >
> >
> >
> >
> >
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--

        Martin Honnen --- MVP Data Platform Development
        http://msmvps.com/blogs/martin_honnen/

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