Subject: RE: [xsl] Do something if no items in for-each meet criteria From: "Michael Kay" <mhk@xxxxxxxxx> Date: Fri, 12 Sep 2003 11:21:58 +0100 |
There are two approaches. (1) read the input twice for-each select="xxx" yyy /for-each if (not(xxx)) message (2) put the output in a variable variable v for-each select="xxx" yyy /for-each /variable choose when test="$v=''" message /when otherwise copy-of select=$v /otherwise /choose Michael Kay > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Peter Hollingsworth > Sent: 12 September 2003 00:12 > To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Do something if no items in for-each meet criteria > > > I'm trying to > 1) go through a set of nodes > 2) if any matches my criteria, display it > 3) if NONE matches my criteria, display a message like "None" > > For example, imagine this xml listing some animals: > <animal> > <type>snake</type> > <furry>false</furry> > </animal> > <animal> > <type>fish</type> > <furry>false</furry> > </animal> > > and this XSL that lists all the ones with fur: > The following animals are furry:<br/> > <xsl:for-each select="animal"> > <xsl:if test="furry = 'true'"> > <xsl:value-of select="type"/><br/> > </xsl:if> > </xsl:for-each> > [if no animals were furry, print "None are furry"] <---how > can I do this? > > Any way I can accomplish what I'm trying to do on the last line above? > > Thanks. > > --Peter > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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