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duplicate removal
- From: DPawson at rnib dot org dot uk
- To: xsl-list at lists dot mulberrytech dot com
- Date: Thu, 15 Nov 2001 13:57:06 -0000
- Subject: [xsl] duplicate removal
- Reply-to: xsl-list at lists dot mulberrytech dot com
Given some r elements which contains duplicates <cat-num>
but different <bibno> children, I'm trying to using keys to resolve.
<xsl:key name="multiBooks" match="r" use="cat-num"/>
<xsl:template match="doc">
<xsl:apply-templates select="r [cat-num and
generate-id(.) =
generate-id(key('multiBooks',cat-num))]"/>
</xsl:template>
This finds all the duplicate cat-num entries.
The processing model doesn't however, allow
me to identify if the first one has different
bibno child to the others, which is what I need.
Any suggestions for an alternative to the
apply-templates above, which would allow
me to check if each one had the same bibno child
as the first?
TIA DaveP.
xml below.
<doc>
</r><r id="d0e218251">
<bibno>056543</bibno>
<cat-num>546</cat-num>
<m100>
<surname>Ridgway</surname>
<f-name>John</f-name>
</m100>
<m245>
<ttl>A fighting chance</ttl>
<au>(by Captain John Ridgway and Sargeant Chay Blyth)</au>
</m245>
<m655/>
<m700>
<surname>Blyth</surname>
<f-name>Chay</f-name>
</m700>
</r>
<!-- Duplicate, i.e. same tb number, different bib number -->
<!-- Implies that this tb has two books on it. -->
<r id="d0e218251">
<bibno>12345</bibno>
<cat-num>546</cat-num>
<m100>
<surname>Ridgway</surname>
<f-name>John</f-name>
</m100>
<m245>
<ttl>A fighting chance</ttl>
<au>(by Captain John Ridgway and Sargeant Chay Blyth)</au>
</m245>
<m700>
<surname>Blyth</surname>
<f-name>Chay</f-name>
</m700>
</r>
</doc>
************snip here**************
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