Re: Find several different attribute values on many e

I'm trying to process a collection of documents and extract the distinct-values for several attributes. My first attempt was this which is very slow

        <xsl:variable name="ditacollectionString"
                select="concat($srcPath, '?select=*.dita')"/>

        <xsl:variable name="xmlcollectionString"
                select="concat($srcPath, '?select=*.xml')"/>

<xsl:for-each

select="distinct-values(collection($ditacollectionString)//*/@audience)" >
                        <xsl:value-of select="concat(., ' ')"/>
                </xsl:for-each>
                <xsl:for-each

select="distinct-values(collection($ditacollectionString)//*/@platform)" >
                        <xsl:value-of select="concat(., ' ')"/>
                </xsl:for-each>
                <xsl:for-each

select="distinct-values(collection($ditacollectionString)//*/@props)" >
                        <xsl:value-of select="concat(., ' ')"/>
                </xsl:for-each>

I'm looking for a way to just make a single for-each loop and tried this

<xsl:for-each

select="distinct-values(collection($ditacollectionString)//element())" >
                                <xsl:apply-templates mode="conditions"/>

</xsl:for-each>

        <xsl:template match="@product | @audience " mode="conditions">
                <xsl:value-of select="concat(., ' ')"/>
        </xsl:template>

But I get an error on the <xsl:apply-templates mode="conditions"/> indicating
The required item type of the context item is node(), but the supplied expression {.} has item type xs:anyAtomicType.

I also need to do this with both .dita and .xml files and I'm planning on making 2 collections, is there a way to do one collection()?

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