Try using COUNT
you could do something like 

<xsl:when test = "if COUNT(BLOCK) > 0>
	........what u want to do 
</xsl:when>

lemme know if it worked...
cheers


-----Original Message-----
From: Américo Albuquerque (E-mail)
[mailto:aalbuquerque@xxxxxxxxxxxxxxxx]
Sent: Friday, June 07, 2002 11:51 AM
To: XSL-List (E-mail)
Subject:  Newbie: See if a node exists!



Hi!

I have two xml file
the first has this format
<Display>
 <Path/>
 <Title/>
 <Book>
  <Author/>
  <Author/>
    ...
 </Book>
 <Book>
  <Author/>
  <Author/>
    ...
 </Book>
 ...
</Display>

the second has a <Block> tag separating the <Book> tags like this
<Display>
 ...
 <BLOCK>
  <Book>
   ...
  </Book>
  ...
 </BLOCK>
 ...
</Display>

What i what is a way to see if a <Block> tag exists and, in that case, just
work with the <Book> inside the <Block>
if not then work with the <Book>

I use this xsl to do that but it doesn't do the Block Part
 <xsl:choose>
  <xsl:when test="./BLOCK">
  <xsl:call-template name="Title"/>
  <xsl:apply-templates select="BOOK"/>
  </xsl:when>
  <xsl:otherwise>
   <xsl:call-template name="BookHeader"/>
   <xsl:apply-templates select="BOOK[not (@destaque=-1)]"/>
  </xsl:otherwise>
 </xsl:choose>

What am I doing wrong?

Thanks in advance!


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