On 27 Aug, 14:23, Martin Honnen <mahotr...@yahoo.de> wrote:
> Barnum wrote:
> > This is the XML input:
> > <root>
> > =A0 =A0<foo @name=3D"1">a</foo>
> > =A0 =A0<foo @name=3D"1">b</foo>
> > =A0 =A0<foo @name=3D"1">a</foo>
> > =A0 =A0<foo @name=3D"2">c</foo>
> > =A0 =A0<foo @name=3D"2">c</foo>
> > =A0 =A0<foo @name=3D"2">d</foo>
> > </root>
>
> I guess
>
> <root>
> =A0 =A0 <foo name=3D"1">a</foo>
> =A0 =A0 <foo name=3D"1">b</foo>
> =A0 =A0 <foo name=3D"1">a</foo>
> =A0 =A0 <foo name=3D"2">c</foo>
> =A0 =A0 <foo name=3D"2">c</foo>
> =A0 =A0 <foo name=3D"2">d</foo>
> </root>
>
> is more what you have.
>
> > I expect to get only these nodes in fum:
> > =A0 =A0<foo @name=3D"1">a</foo>
> > =A0 =A0<foo @name=3D"1">b</foo>
>
> You simply need to apply the predicate @name =3D '1' e.g.
>
> =A0 =A0/root/foo[@name =3D '1'][not(. =3D preceding-sibling::foo[@name =
=3D '1'])]
>
> or in that template
>
> =A0 =A0 =A0<xsl:variable name=3D"fie" select=3D"$in/foo[@name=3D'1']" />
> =A0 =A0 =A0<xsl:variable name=3D"fum" select=3D"$fie[not(. =3D
> preceding-sibling::foo[@name =3D '1'])]" />
>
> Defining a key is also easy:
> =A0 =A0<xsl:key name=3D"k1" match=3D"foo[@name =3D '1']" use=3D"."/>
> then you can use Muenchian grouping with that key.
>
> --
>
> =A0 =A0 =A0 =A0 Martin Honnen --- MVP XML
> =A0 =A0 =A0 =A0http://msmvps.com/blogs/martin_honnen/

Thanks, that worked!
The thing I missed was to use the predicate [@name =3D '1'] also after
the preceding-sibling::foo.

Thanks very much, this saved my day!