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Etheridge, Stephen wrote:
First of all, in a pattern like the match attribute you never need to start with "//", match="ItemKey" is enough, doing match="//ItemKey" does not gain anything.
And
match="//ItemKey" use="//ItemKey"
looks very odd, usually the "use" attribute selects an attribute (e.g. use="@foo") or a child element (e.g. use="bar") or the node itself (e.g. use=".") but putting use="//ItemKey" looks wrong, that way you "key" any "ItemKey" element on any "ItemKey" element in the document.
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Re: [xsl] Problem with Key matching XSLT 1.0
Subject: Re: [xsl] Problem with Key matching XSLT 1.0 From: Martin Honnen <Martin.Honnen@xxxxxx> Date: Tue, 14 Sep 2010 12:32:09 +0200 |
Etheridge, Stephen wrote:
I am trying to compare two xml documents of the same format. I have successfully transformed the documents to include a field called ItemKey which includes a unique key (comprised of four other elements). I am now trying to match and compare elements based on that key value.
My XSLT includes the following as "global" variables:
<xsl:variable name="file1">test_comp4.xml</xsl:variable> <xsl:variable name="old_file" select="document($file1)/*"></xsl:variable> <xsl:variable name="file2">test_comp4_edited.xml</xsl:variable> <xsl:variable name="new_file" select="document($file2)/*"></xsl:variable> <xsl:output method="xml" indent="yes"/> <xsl:key name="test" match="//ItemKey" use="//ItemKey"/>
First of all, in a pattern like the match attribute you never need to start with "//", match="ItemKey" is enough, doing match="//ItemKey" does not gain anything.
And
match="//ItemKey" use="//ItemKey"
looks very odd, usually the "use" attribute selects an attribute (e.g. use="@foo") or a child element (e.g. use="bar") or the node itself (e.g. use=".") but putting use="//ItemKey" looks wrong, that way you "key" any "ItemKey" element on any "ItemKey" element in the document.
--
Martin Honnen http://msmvps.com/blogs/martin_honnen/
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