I have a sequence of strings, e.g., ('abc', 'def', 'def', 'ghi'), and I want to
create a new sequence that will have only the unique strings in it. The XSL
2.0 function distinct-values is not what I want because:
<xsl:variable name="list" as="xsd:string*" select="('abc', 'def', 'def',
'ghi')" />
<xsl:variable name="uniq" as="xsd:string*" select="distinct-values($list)" />
will result in a sequence of ('abc', 'def', 'ghi') which is not what I'm
looking for. What I am looking for is the sequence ('abc', 'ghi'). Unix
people will recognize that distinct-values() returns the result of the uniq
command without any options. While what I'm looking for is the result of the
uniq command with the -u option.
Can anyone suggest how I might use one or more XSL 2.0 functions to return only
the unique strings.
Thanks, Andy.
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