[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Retrieving sequence of unique strings from another
Try: <xsl:for-each-group select="$list" group-by="."> <xsl:sequence select="current-group()[last()=1]"/> </xsl:for-each-group> Regards, Michael Kay http://www.saxonica.com/ http://twitter.com/michaelhkay > -----Original Message----- > From: Houghton,Andrew [mailto:houghtoa@xxxxxxxx] > Sent: 05 January 2010 18:41 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Retrieving sequence of unique strings from > another sequence > > I have a sequence of strings, e.g., ('abc', 'def', 'def', > 'ghi'), and I want to create a new sequence that will have > only the unique strings in it. The XSL 2.0 function > distinct-values is not what I want because: > > <xsl:variable name="list" as="xsd:string*" select="('abc', > 'def', 'def', 'ghi')" /> > <xsl:variable name="uniq" as="xsd:string*" > select="distinct-values($list)" /> > > will result in a sequence of ('abc', 'def', 'ghi') which is > not what I'm looking for. What I am looking for is the > sequence ('abc', 'ghi'). Unix people will recognize that > distinct-values() returns the result of the uniq command > without any options. While what I'm looking for is the > result of the uniq command with the -u option. > > Can anyone suggest how I might use one or more XSL 2.0 > functions to return only the unique strings. > > > Thanks, Andy.
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