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List:       xsl-list
Subject:    Re: [xsl] rather tricky numbering problem
From:       Michael Kay <mike () saxonica ! com>
Date:       2010-06-21 18:27:05
Message-ID: 4C1FAEF9.7070404 () saxonica ! com
[Download RAW message or body]

Looks like a fairly simple grouping problem, combined with handling 
multiple input and output files.

<xsl:for-each-group select="collection('folder')" 
group-by="/*/product-num/substring(., 1, 5)">
<xsl:choose>
<xsl:when test="count(current-group() gt 1)">
<xsl:for-each select="current-group()">
<xsl:apply-templates select=".">
<xsl:with-param name="new-prod-num" 
select="concat(current-grouping-key(), position()"/>
</xsl:apply-templates>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select=".">
<xsl:with-param name="new-prod-num" select="current-grouping-key()"/>
</xsl:apply-templates>
</
</
</

Michael Kay
Saxonica

On 21/06/2010 18:31, a kusa wrote:
> Hello
>
> I have a requirement which  I am not sure if this can be done in XSLT.
> I will try to explain it  theoretically as much as possible and please
> let me know if there is any way this can be done in XSLT.
>
> I have a bunch of XML files in a folder.
>
> The XML files have an element called 'prod-num' which is an 8-digit
> number the first 5 of which follows a particular numbering scheme
> based on what the XML is for.
>
> For example, if the XML represents books for children,  the prod-num
> has the following numbering scheme : 1212 - 1.
> If the XML data represents books for Science, the prod-num has the
> following numbering scheme: 1212-2
>
> Now, here is what needs to happen.
>
> The last three of the prod-num needs to be sequentially numbered if
> the first 5 are the same.
>
> So, in my explained example above, the transformation needs to read
> the folder with the XML files, and read through the prod-num values.
>
> If there are say two XML files with 1212-1, then the first one needs
> to be updated with 1212-1001, the second one becomes 1212-1002.
>
> Can the experts please give me some tips and ideas to resolve this?
>
> Thanks in advance
>
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