With XSLT 2.0 you would not need node-set.
I don't know if there are any math functions in exslt that are not
availble in XSLT 2.0.

On 11/03/2008, Patrick Bergeron <pbergeron@xxxxxxxxxxx> wrote:
> Well, I am using the gnome xslt processor with exslt extensions (of which I
>  need various math functions, and node-set) recompiled into a custom xslt
>  processor running on an embedded device.  I'd rather not try to integrate
>  another processor simply because I can't do "counter=counter+1".
>
>  As for your other suggestion... I will think about it. It would require
>  significant rework to the 3K lines of code I already have. I currently don't
>  use for-each, I use various forms of "template match" to process the records
>  as they are encountered in the input stream. Nevertheless, it's giving me
>  something to mull over.
>
>
>  I'm still open to more suggestions...
>
>
>
>  -----Original Message-----
>  From: David Carlisle [mailto:davidc@xxxxxxxxx]
>  Sent: Tuesday, March 11, 2008 10:12 AM
>  To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
>  Subject: Re:  How to mark every 5th output record.
>
>
>  > Is there really, really, really _any_ other way of doing this without
>  making
>  > a 3rd copy of my data set?
>
>  Are you restricted to use xslt 1 (this won't necessarily change the
>  answers, but it might)
>
>  If you want to use position() to do the numbering then you need to
>  iterate over a set of nodes in teh right sequence, so that probably does
>  mean that you want to copy teh nodes.
>
>  If on the other hand that's too expensive and you want to maintain a
>  counter that you add "by hand" each time you do something then you can
>  do that as well, but as that means that the processing of one record
>  depends on teh previous record you must change the idiom, you can't use
>  a for-each as that (essentially) is only for parallel processing where
>  each item is processed independently. Instead you need to make a named
>  template that has a parameter count, which processes one record, then
>  calls itself with <xsl:with-param name="count" select="$count+1"/>
>
>  David
>
>
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