And if you just need the boolean (true()/false()) indicating whether
a sequence has duplicate values -- not needing the values themselves
-- then use the following, slightly adjusted and more efficient
expression:
exists($vSeq[index-of($vSeq,.)[2]][1] )
On Wed, Mar 25, 2015 at 9:53 AM, Leo Studer
leo(_dot_)studer(_at_)varioweb(_dot_)ch
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
Really nice, thanks !
On 25.03.2015, at 15:05, Dimitre Novatchev dnovatchev(_at_)gmail(_dot_)com
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
See this:
http://stackoverflow.com/questions/133092/how-do-you-identify-duplicate-values-in-a-numerical-sequence-using-xpath-2-0
It produces all values in the sequence, that occur in it more than once:
$vSeq[index-of($vSeq,.)[2]]
On Wed, Mar 25, 2015 at 3:58 AM, Leo Studer
leo(_dot_)studer(_at_)varioweb(_dot_)ch
<xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:
Hello
I have a sequence and want to know whether there are duplicate values in it.
I came out with the following and think there must be an easy solution. Any
suggestion?
let $sequence :=(1,12,14,17,22,12) return
(count(distinct-values($sequence)) ne count($sequence))
Thanks in advance
Leo
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Dimitre Novatchev
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