It might be that your input file contains CRLF rather than LF line endings.
The unparsed-text() function does not normalize line endings, and the regex
\n matches LF only. Use normalize-space() after tokenizing, or use \r?\n (or
perhaps even \s+) as the regex in tokenize().

Michael Kay
http://www.saxonica.com/
 

> -----Original Message-----
> From: Mukul Gandhi [mailto:gandhi.mukul@xxxxxxxxx] 
> Sent: 01 January 2008 10:20
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Problem finding set difference on string values
> 
> Hi all,
>    I am facing some problem calculating set difference on 
> string values.
> 
> The problem details are below.
> 
> I have a text file, data.txt which contain information as below:
> abc
> pqr
> mno
> uvw
> (here, each data element is delimited by a newline)
> 
> My XSLT 2.0 stylesheet is following:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>                         version="2.0">
> 
>  <xsl:output method="text" />
> 
>  <xsl:variable name="list1"
> select="tokenize(unparsed-text('data.txt'), '\n')" />  
> <xsl:variable name="list2" select="('abc', 'pqr', 'ok')" />
> 
>  <xsl:template match="/">
>    <xsl:for-each select="$list2[not(. = $list1)]">
>      <xsl:value-of select="." /><xsl:text>&#xa;</xsl:text>
>    </xsl:for-each>
>  </xsl:template>
> 
> </xsl:stylesheet>
> 
> I want to find elements in 'list2' which are not present in text file.
> 
> I am expecting answer:
> ok
> 
> But the output produced is:
> abc
> pqr
> ok
> 
> What am I doing wrong?
> 
> I would appreciate help for this problem ...
> 
> I am using Saxon 9-b.
> 
> --
> Regards,
> Mukul Gandhi