Re: [xsl] comparing sequences that contain more than one of the same item

[Ronan Klyne <ronan.klyne@xxxxxxxxxxx>]

Andrew Welch wrote:
> A bit of a Friday challenge...
>
> Is it possible to compare to sequences such that items in the sequence
> are consumed after the comparison?
>
> For example, I want to compare two words to see if one is a subset of the other.
>
> "farmer" and "frame"
>
> If you do:
>
> string-to-codepoints('farmer')[not(. = string-to-codepoints('frame'))]
>
> the result is empty because the two r's in farmer are both being
> compared to the single r in frame.
>
> Currently I've a got a recursive function that removes each letter
> after a match, but I'm wondering if there's a one-liner or some other
> set based approach?
>
>
> thanks

Dimitre Novatchev wrote to the list on a similar note on 18/04/07. He 
gave this link to his work with XSLT and anagrams:
http://dnovatchev.spaces.live.com/Blog/cns!44B0A32C2CCF7488!357.entry

	# r

--
Ronan Klyne
Business Collaborator Developer
Tel: +44 01189 028518
ronan.klyne@xxxxxxxxxxx
www.groupbc.com