[xsl] [XSL] Calculating Length of String Variables

Hi, 

 I am trying to create different sets of output based on the length of the 
"string" of my variable. Below are the lines I used for calculation:

 <xsl:variable name="image_src">
        <xsl:value-of select="./@url"/>
    </xsl:variable>

 <xsl:template match="graphic">
        <xsl:value-of select="string-length($image_src)"/>
</xsl:template>


If I have XML like: <graphic url="0125"/>. the result is supposed to come out 
with 4. And, likewise, <graphic url="123456"/> should come out with 6. However, 
when I run the XSLT, it only gives me "0". Is there something I have done wrong?

Thanks to those who may help.

Alice





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