What's wrong with
<xsl:for-each select="//a">
<xsl:value-of select="min(.//box), max(.//box)"/>
</xsl:for-each>
Michael Kay
On 10 Jun 2013, at 16:35, Michele R Combs wrote:
Given this nested structure (hope it comes through legibly):
<a>
<b>
<box>1</box>
<box>1</box>
</b>
<b>
<box>1</box>
<box>2</box>
<c>
<box>2</box>
<box>2</box>
</c>
</b>
</a>
<a>
<b>
<box>3</box>
<box>4</box>
<c>
<box>6</box>
<box>6</box>
</c>
<box>5</box>
<box>5</box>
</b>
<b>
<box>5</box>
<box>5</box>
</b>
</a>
What is the easiest way to find the max/min box numbers in each <a>? That
is, for the first <a> I want "1-2" and for the second <a> I want "3-6." FYI,
in the real data, rather than stopping at three nested levels (a, b, c) it
can potentially go up to 12 (!!). Normally I would simply grab the value
from the first descendant and the value from the last descendant, but it
turns out that sometimes the numbers aren't in order within the document tree
(as shown in the second <a>) so that's not reliable enough.
Thanks --
Michele
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