Re: Computing string-value of nodesets

Thanks David,

I expected that I could do things in such a fashion with XSLT, but I was
looking for an XPath-only solution (which propably doesn't exist...)

Regards,
Taras

>
> > The problem is that string([nodeset]) will return the string value of
the
>
> but
> <xsl:variable name="x"><xsl:copy-of select="[nodeset]"/></xsl:variable>
>
> <xsl:value-of select="string-length(string($x))"/>
>
> probably does what you want.
>
> > So is there some way to construct a equivalent of sum(), but one that
works
> > on string values of a nodeset?
>
> simple cases you can get by as above, but usually you have to use a
> node-set extension function for this sort of thing (until xslt 1.1)
>
> for instance if you wanted to apply normalize-space to each of your
> nodes in the node set before computing your average, you'd do something
> like
>
> <xsl:variable name="x">
>   <xsl:for-each  select="[nodeset]" >
>    <x><xsl:value-of select="string-length(normalize-space(.))"/>
>   </xsl:for-each>
> </xsl:variable>
>
> <xsl:value-of select="sum(xt:node-set($x)/x)"/>
>
> David



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