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Re: [xsl] count elements in variable

Subject: Re: [xsl] count elements in variable
From: David Carlisle <davidc@xxxxxxxxx>
Date: Tue, 15 Oct 2013 09:52:40 +0100

On 15/10/2013 09:09, Torsten Schassan wrote:
Hi there,

I define a variable and traverse through a folder to collect files which I want to process. (XSLT2)

<xsl:variable name="descriptions"

Next I process single elements:

<xsl:apply-templates select="$descriptions/descendant::tei:msDesc">
   <xsl:sort select="descendant::tei:msIdentifier/tei:idno/@sortKey"/>

Within the template I want to add a running number to each element:

<xsl:template match="tei:msDesc">
  <xsl:variable name="docKey">
    <xsl:value-of select="count(preceding::tei:msDesc)"/>

But this last step simply doesn't work. Does anybody have a clue what I'm missing here?

Best, Torsten

"doesnt work" isn't very descriptive but count() counts the preceding elements in the source, not taking account of the sorting. You probably just want position()

Also do

<xsl:variable name="docKey"select="count(preceding::tei:msDesc)"/>


<xsl:variable name="docKey">
    <xsl:value-of select="count(preceding::tei:msDesc)"/>

except that you want

<xsl:variable name="docKey"select="position()-1"/>


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