RE: extracting unique elements

[James Garriss <jgarriss@xxxxxxxxx>]

At 04:46 AM 1/28/2000 , Kay Michael wrote:
>> Is there any easy way to select only the unique elements from
>> an xml document.
>
><xsl:for-each select="//CUSTOMER[not(.=preceding::CUSTOMER)]">
><xsl:value-of select="."/>
></xsl:for-each>

Doesn't this require the CUSTOMER elements to be sorted?

>> <SALESFORCE>
>>      <SALESPERSON NAME="BOB">
>>           <CUSTOMER CODE="1">ACME</CUSTOMER>
>>           <CUSTOMER CODE="2">BLAMMO</CUSTOMER>
>>      </SALESPERSON>
>>      <SALESPERSON NAME="TODD">
>>           <CUSTOMER CODE="1">ACME</CUSTOMER>
>>           <CUSTOMER CODE="3">KABLOOEY</CUSTOMER>
>>      </SALESPERSON>
>>      <SALESPERSON NAME="BETTY">
>>           <CUSTOMER CODE="4">JUICY JUICY</CUSTOMER>
>>           <CUSTOMER CODE="2">BLAMMO</CUSTOMER>
>>      </SALESPERSON>
>> </SALESFORCE>
>>
>> I would want to only display:
>>
>> ACME
>> BLAMMO
>> KABLOOEY
>> JUICY JUICY


  James Garriss | The MITRE Corporation | jgarriss @ mitre.org



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