RE: [xsl] how to find out the first occurence of a node with a certain string value.

["Michael Kay" <michael dot h dot kay at ntlworld dot com>]

> I'm trying to find out if a node with certain string value is occuring
> first time. This is the XML snippet:
> .....
> <letter>A</letter>
> <letter>D</letter>
> <letter>C</letter>
> <letter>D</letter>
> ......
>
> I want to test if;
>    <xsl:if test="starts-with($mod-init,'D')[1]"> or  <xsl:if
> test="starts-with($mod-init,'D')[2]"> and so forth, but this code does
> not work. What should I do?
>
It's not easy to guess your requirements from looking at incorrect code
(Jeni Tennison is brilliant at it, but most of us fail miserably). But
perhaps what you are looking for is:

<xsl:if test="starts-with($mod-init[1],'D')">

You can only apply a predicate such as [1] to a node-set, and the result of
starts-with is not a node-set, it is a boolean.

Michael Kay
Software AG
home: Michael.H.Kay@ntlworld.com
work: Michael.Kay@softwareag.com


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