<xsl:for-each-group select="collection(...)//@id" group-by=".">
<xsl:if test="count(current-group()) ne 1">
<xsl:message>Id value <xsl:value-of select="current-grouping-key()"/> is
duplicated in files
<xsl:value-of select="current-group()/document-uri(/)" separator=" and
"/></xsl:message>
</xsl:if>
</xsl:for-each-group>
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Philip Vallone [mailto:philip(_dot_)vallone(_at_)verizon(_dot_)net]
Sent: 19 July 2008 16:28
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Check for duplicate @id's - collection()
Hi,
I have a project were I take about 800 files and transform
them into one .fo document (create a pdf). The files are
authored independent of each other (stand alone) which are
validated against a schema (independently). If there is a
duplicate @id attribute, the validator will tell me. However,
the @ids need to be unique across all files processed by the
collection function. If they are not, my resulting .fo will
have duplicate @ids, which cause FOP to halt.
I am looking for a way to (query or xslt 2.0) to check for
duplicate @id's values across all files with the collection
function. This would be a pre-production check.
I am looking for ideas or suggestions. Also, I am using Saxon 9.1.0.1
Thanks,
Phil
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