Re: Checking external files based on the attribute val

<?xml version="1.0"?>
<doc>
 <graphic picfile="I970106058X_bulb"/>
 <graphic picfile="I970106058X_dummy"/>
</doc>

<?xml version="1.0"?>
<files>
 <file>./970106058X_c01_0002.tif</file>
 <file>./970106058X_c01_0001.tif</file>
 <file>./970106058X_bulb.tif</file>
 <file>./970106058X_0000.tif</file>
 <file>./970106058X_c01_0003.tif</file>
</files>

 <xsl:template match="/">
   <doc>
     <xsl:apply-templates/>
   </doc>
 </xsl:template>

   <node picfile="{@picfile}">
     <xsl:attribute name="matched">
       <xsl:choose>
         <xsl:when test="$files/files/file[contains(.,$file)]">
           <xsl:value-of select="true()"/>
         </xsl:when>
         <xsl:otherwise>
           <xsl:value-of select="false()"/>
         </xsl:otherwise>
       </xsl:choose>
     </xsl:attribute>
   </node>
 </xsl:template>
</xsl:stylesheet>

peter@radish:~/xxx$ xsltproc process.xsl source.xml
<?xml version="1.0"?>
<doc>
 <node picfile="I970106058X_bulb" matched="true"/>
 <node picfile="I970106058X_dummy" matched="false"/>
</doc>
peter@radish:~/xxx$