Re: [xsl] Removing duplicates after list is sorted

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Hey thanks David!

Nicole, your problem gets near to where it's easier to use multiple 
passes. Fortunately you have the likes of David to help.

Cheers,
Wendell

At 12:40 PM 5/11/2006, he wrote:
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
>
> If your creation dates were in a form that could be compared as numbers
> you could just do this:
>
> <xsl:output indent="yes"/>
>
> <xsl:key name="base" match="Document" use="Report/@base"/>
> <xsl:template match="docs">
> <docs>
> <xsl:for-each 
> select="Document[generate-id()=generate-id(key('base',Report/@base))]">
> <xsl:variable name="thisgrp" select="key('base',Report/@base)"/>
> <xsl:copy-of select="$thisgrp[not(@CREATIONTIME &gt; 
> $thisgrp/@CREATIONTIME)][1] "/>
> </xsl:for-each>
> </docs>
> </xsl:template>
>
> </xsl:stylesheet>
>
> but since they are not, I think something like this is what you want
>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
>
> <xsl:output indent="yes"/>
>
> <xsl:key name="base" match="Document" use="Report/@base"/>
> <xsl:template match="docs">
> <docs>
> <xsl:for-each 
> select="Document[generate-id()=generate-id(key('base',Report/@base))]">
>
> <xsl:for-each select="key('base',Report/@base)">
> <xsl:sort select="@CREATIONTIME"/>
> <xsl:if test="position()=last()">
> <xsl:copy-of select="."/>
> </xsl:if>
> </xsl:for-each>
> </xsl:for-each>
> </docs>
> </xsl:template>
>
> </xsl:stylesheet>
>
> $ saxon dup.xml dup.xsl
> <?xml version="1.0" encoding="utf-8"?>
> <docs>
>    <Document CREATIONTIME="200605051507">
>
>       <Report ID="759d" base="ELS">
>
>          <Authorized ASC="2"/>
>
>       </Report>
>
>    </Document>
>    <Document CREATIONTIME="200605041506">
>
>       <Report ID="759c" base="LAN">
>
>          <Authorized ASC="0"/>
>
>       </Report>
>
>    </Document>
> </docs>
>
>
> David
>
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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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