Your code works fine with Saxon. For reference, here is the complete
stylesheet:
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" version="1.0" encoding="ISO-8859-1"
indent="yes"/>
<xsl:key name="items" match="item" use="@name"/>
<xsl:variable name="source">
<xsl:copy-of select="document('test1.xml')//item |
document('test2.xml')//item"/>
</xsl:variable>
<xsl:template match="/">
<xsl:for-each select="$source">
<xsl:for-each
select="//item[generate-id(.)=generate-id(key('items', @name)[1])]">
<xsl:copy-of select="."/>
</xsl:for-each>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
I can't think of any better way of doing it in XSLT 1.0. Neither the
Muenchian approach nor the preceding-sibling approach to elimination of
duplicates can handle multiple documents directly. You could tune it
slightly by removing the "//". In 2.0, of course, you can use
xsl:for-each-group or the new distinct-values() function.
Michael Kay
Software AG
home: Michael(_dot_)H(_dot_)Kay(_at_)ntlworld(_dot_)com
work: Michael(_dot_)Kay(_at_)softwareag(_dot_)com
-----Original Message-----
From: owner-xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
[mailto:owner-xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com] On Behalf Of
Marcin Antczak
Sent: 07 December 2002 21:04
To: XSL-List(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] how to remove duplicates from more than one file?
My input is:
root.xml
<root/>
items_1.xml
<items>
<item name='one'>value_1</item>
<item name='one'>value_1</item>
<item name='two'>value_2</item>
<item name='three'>value_3</item>
</items>
items_2.xml (and more.... items_*.xml)
<items>
<item name='one'>value_1</item>
<item name='one'>value_1</item>
<item name='two'>value_2</item>
<item name='two'>value_2</item>
<item name='one'>value_1</item>
<item name='seven'>value_7</item>
</items>
And I need to generate output with items from all input files without
duplicates:
<itemList>
<item name='one'>value_1</item>
<item name='two'>value_2</item>
<item name='three'>value_3</item>
<item name='seven'>value_7</item>
</itemList>
My first idea was to grab extrernal data with document()
function into
variable and then use Muenchian method on nodeset within this
variable.
In my stylesheet I did something like this:
<xsl:key name="items" match="item" use="@name"/>
<xsl:variable name="source">
<xsl:copy-of select="document('items_1.xml')//item |
document('items_2.xml')//item"/>
</xsl:variable>
<xsl:for-each select="$source">
<xsl:for-each
select="//item[generate-id(.)=generate-id(key('items', @name)[1])]">
<test_ok/>
</xsl:for-each>
</xsl:for-each>
But on my windows machine (win 2000 + IIS 5.0 + PHP 4.2.3 + sablotron
0.96 - server side transformations) i get only segfaults.
On unix machine (freeBSD) there was no errors but any output
at all either.
Could you give me hint how to resolve this problem?
Marcin Antczak
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list