Subject: [xsl] Nuances of comparisons incorporating node set operands From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx> Date: Thu, 01 Apr 2004 22:56:48 -0500 |
> <xsl:for-each select="Reports/GridBody0"> > > <xsl:if test="Col3 != ''" >
Though correct, it's preferable to use
not(Col3 = '')
T:\ftemp>type jarno.xsl <?xml version="1.0" encoding="iso-8859-1"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:jarno="test" version="1.0">
<jarno:data1> <Col1>abc</Col1> <Col3>def</Col3> </jarno:data1>
<jarno:data2> <Col1>abc</Col1> </jarno:data2>
<xsl:template match="/"> <xsl:for-each select="document('')/*/jarno:data1"> Data test 1: test="Col3 != ''" - <xsl:value-of select="Col3 != ''"/> test="not(Col3 = '')" - <xsl:value-of select="not(Col3 = '')"/> </xsl:for-each> <xsl:for-each select="document('')/*/jarno:data2"> Data test 2: test="Col3 != ''" - <xsl:value-of select="Col3 != ''"/> test="not(Col3 = '')" - <xsl:value-of select="not(Col3 = '')"/> </xsl:for-each> </xsl:template>
</xsl:stylesheet> T:\ftemp>saxon jarno.xsl jarno.xsl
Data test 1: test="Col3 != ''" - true test="not(Col3 = '')" - true Data test 2: test="Col3 != ''" - false test="not(Col3 = '')" - true T:\ftemp>
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