Subject: RE: Sorting distinct values
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Fri, 13 Jul 2007 19:03:38 +0100
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There's no sorting capability in XPath, sadly. You can do it in XSLT using
xsl:perform-sort, but it's still more lines of code than I would like,
unfortunately!
Michael Kay
http://www.saxonica.com/
> -----Original Message-----
> From: Wendell Piez [mailto:wapiez@xxxxxxxxxxxxxxxx]
> Sent: 13 July 2007 18:48
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Sorting distinct values
>
> Hey,
>
> Is there a way I overlooked in XPath to sort a sequence of numbers?
>
> I'm pondering how to pull distinct values from a list, say
> (0,3,17,4,6,4,3) and get them in sorted order.
> distinct-values() in Saxon returns me (0,3,17,4,6) but I'd
> like them as (0,3,4,6,17).
>
> I did manage to do it in XSLT by grouping them by value,
> sorting the groups, writing out the grouping keys and then
> tokenizing the resulting string -- but that seems like a long
> way to do it.
>
> Any ideas for a spiffy short way?
>
> Cheers,
> Wendell
>
>
>
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