Question

<xsl:for-each select='./node [position() &lt;= (count(*) div 2)]'>     <li>foo</li> </xsl:for-each> <xsl:for-each select='./node [count(*) div 2 &lt; position()]'>     <li>bar</li> </xsl:for-each> 

My list has 12 nodes, but the second list is always 8 and the first is always 4. What’s wrong with my selects?

Answer 1

When you do count(*), the current node is the node element being processed. You want either count(current()/node) or last() (preferable), or just calculate the midpoint to a variable for better performance and clearer code:

<xsl:variable name='nodes' select='node'/> <xsl:variable name='mid' select='count($nodes) div 2'/> <xsl:for-each select='$nodes[position() &lt;= $mid]'>   <li>foo</li> </xsl:for-each> <xsl:for-each select='$nodes[$mid &lt; position()]'>   <li>bar</li> </xsl:for-each>