TopXML XSLT library : Get the last item from a delimited list

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<< XQuery .NET and XML >>

By	Lee Humphries
First Posted	04/30/2002
Times viewed	247

Get the last item from a delimited list

Summary XPath's string functions unfortunately have no ready way of getting the last item from a list of tokens. This snippet lets you do just that.

This snippet is a simplification of that in Extracting an item from a delimited list. It simply recurses through a string until it has past the last delimiter. If there was no delimiter you get the source string back immediately. One nice feature of this approach is that it allows for multi-character delimiters.

Additional information
<xsl:template name="getLastItem"> <xsl:param name="list" select="''" /> <xsl:param name="delimiter" select="'.'" /> <xsl:choose> <xsl:when test="string-length(substring-before($list, $delimiter)) = 0"> <xsl:value-of select="$list"/> </xsl:when> <xsl:otherwise> <xsl:call-template name="getLastItem"> <xsl:with-param name="list" select="substring-after($list, $delimiter)" /> <xsl:with-param name="delimiter" select="$delimiter" /> </xsl:call-template> </xsl:otherwise> </xsl:choose> </xsl:template>

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