Re: [xsl] Calculate the average line length within variable name="lines" as="element()*" not including the last line

[Martin Honnen <Martin.Honnen@xxxxxx>]

Alex Muir wrote:

>  <xsl:variable name="lines" as="element()*">
>       <xsl:analyze-string select="text()" regex="'">
>         <xsl:non-matching-substring>
>           <xsl:element name="line">
>             <xsl:attribute name="length"
> select="string-length(normalize-space(.))"/>
>             <xsl:attribute name="text" select="."/>
>           </xsl:element>
>         </xsl:non-matching-substring>
>       </xsl:analyze-string>
>     </xsl:variable>
>
> I can get the average like so including the last line
>
> <xsl:variable name="averageLineLength"
>           select="round(avg($lines/@length))" as="xs:double"/>
>
> I can get the last line length without error
>
> <xsl:variable name="averageLineLength"
>           select="round(avg($lines[last()]/@length))" as="xs:double"/>
>
>
> However in the case where my number lines is greater than 2 <xsl:when
> test="$numberLines ge 2"> I don't want to include the last line as
> part of my count and was trying the following
>
> <xsl:variable name="averageLineLength"
>           select="round(avg($lines[last()]/preceding-sibling::node()/@length))"
> as="xs:double"/>
>
>
> Which gives me the error:
>
> Description: An empty sequence is not allowed as the value of variable
> $averageSpaceNormalizedLineLength

I don't see any code with a variable named 
"averageSpaceNormalizedLineLength" in your snippets above so it seems as 
if you have not posted the relevant code.

--

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/