Re: [xsl] string set difference

Subject: Re: [xsl] string set difference
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 16 Dec 2010 13:17:02 -0500
At 2010-12-16 20:06 +0200, Andriy Gerasika wrote:
Please help how to calculate set difference between string sequences in XSLT 2.0? (not node-sets)

This is simply the use of a predicate using "=" based on the principle of comparing sets of values.

I hope the example below helps.

. . . . . . . Ken

t:\ftemp>type andriy.xsl
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="";

<xsl:output method="text"/>

<xsl:template match="/">
  <xsl:variable name="s1" as="xsd:string*" select="'a','b','c','d','e','f'"/>
  <xsl:variable name="s2" as="xsd:string*" select="'c','d','e','f','g','h'"/>
  Difference: <xsl:value-of select="$s1[not(.=$s2)],$s2[not(.=$s1)]"/>
  Intersection: <xsl:value-of select="$s1[.=$s2]"/>


t:\ftemp>xslt2 andriy.xsl andriy.xsl

  Difference: a b g h
  Intersection: c d e f

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