Re: incrementing variable

[John Gentilin]

You need to read the XSL Spec or M Kay's XSLT book about side effect free programming. Variables in XSL can only be assigned once and never modified. Regards John G xavier gibouin wrote: hi this is my xsl code : <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/Graphics/SVG/SVG-19990812.dtd"> <xsl:variable name="x" select="10"/>  <xsl:template name="codebarre">   <xsl:variable name="index" select="string-length(codebarre)"/>   <xsl:param name="i" select="0"/>   <xsl:if test="$i &lt; $index">    <xsl:choose>     <xsl:when test="substring(codebarre,$i+1,1)='1'">      <fo:block><xsl:value-of select="$x"/></fo:block>      <xsl:variable name="x" select="$x + 4"/>     </xsl:when>     <xsl:when test="substring(codebarre,$i+1,1)='2'">      <fo:block><xsl:value-of select="$x"/></fo:block>      <xsl:variable name="x" select="$x + 1.5"/>     </xsl:when>     <xsl:when test="substring(codebarre,$i+1,1)='3'">      <fo:block><xsl:value-of select="$x"/></fo:block>      <xsl:variable name="x" select="$x + 3"/>     </xsl:when>     <xsl:when test="substring(codebarre,$i+1,1)='4'">      <fo:block><xsl:value-of select="$x"/></fo:block>      <xsl:variable name="x" select="$x + 1.5"/>     </xsl:when>    </xsl:choose>    <xsl:call-template name="codebarre">     <xsl:with-param name="i" select="$i+1"/>    </xsl:call-template>   </xsl:if>  </xsl:template> </xsl:stylesheet> this code always writes1010101010... $x is not incremented any ideas? thanks a lot Xavier Gibouin Axonie Espace Mercoeur 8, rue Mercoeur 44000 Nantes 02.40.48.53.23 [EMAIL PROTECTED] ----- Original Message ----- From: Paul Washinger To: [EMAIL PROTECTED] Sent: Tuesday, November 05, 2002 5:52 PM Subject: Re: variable and svg   put braces around the variable when it is outside an xsl tag:       <rect height="50" width="4.0" x="{$x}" y="0.0"/>