Re: Combining two XBEL XML files

Here is an attempt in XSLT 2.0 but I have no files to test that with so that is completely untested. The primary input document should be one bookmark file, the URL of the second should be passed in as the parameter sec-file:

<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:my="http://example.com/2008/my"
  exclude-result-prefixes="my"
  version="2.0">

<xsl:output method="xml" indent="yes"/>

  <xsl:param name="sec-file" select="'bookmark2.xml'"/>
  <xsl:variable name="sec-doc" select="doc($sec-file)"/>

<xsl:function name="my:folder-merge" as="element()*">
<xsl:param name="folders" as="element()*"/>
<xsl:for-each-group select="$folders" group-by="title">
<xsl:sort select="current-grouping-key()"/>
<folder>
<title>
<xsl:value-of select="current-grouping-key()"/>
</title>
<xsl:sequence select="my:folder-merge(current-group()/folder)"/>
<xsl:sequence select="my:bookmark-merge(current-group()/bookmark)"/>
</folder>
</xsl:for-each-group>
</xsl:function>

  <xsl:function name="my:bookmark-merge" as="element()*">
    <xsl:param name="bookmarks" as="element()*"/>
    <xsl:for-each-group select="$bookmarks" group-by="@href">
      <xsl:sort select="current-group()[1]/title"/>
      <xsl:sequence select="current-group()[1]"/>
    </xsl:for-each-group>
  </xsl:function>

<xsl:template match="xbel">
<xsl:copy>
<xsl:sequence select="my:folder-merge(folder | $sec-doc/xbel/folder)"/>
<xsl:sequence select="my:bookmark-merge(bookmark | $sec-doc/xbel/bookmark)"/>
</xsl:copy>
</xsl:template>

</xsl:stylesheet>