& XSLT Ying Liu schrieb:
>  Andreas Pürzer schrieb:
> > TIMTOWTDI, as always.
> > 
> > One Way:
> > my $first_process = $twig->first_elt('processName');
> > print $_->text, "\n" for
> >     ( $first_process, $first_process->next_sibling );
> > 
> > 
>  XML::Twig::Elt should be part of XML::Twig, right? I installed the XML::Twig package by Ac
tivePerl and it cannot find the method first_elt(). Any way, I will use TwigRoots to extract
 the interest tags. 

Please note that you will not find a (XML::Twig::)Elt.pm, because
package XML::Twig::Elt lives inside Twig.pm! Furthermore, please note
also that first_elt() is not a method of XML::Twig::Elt, but of XML::Twig!

Did you copy & paste or retype my suggestions? I suspect you retyped and
called first_elt() on $root, which will not work (obviously :-> ) because
$root is a XML::Twig::Elt (obtained from calling root() on $twig) and,
as you noticed, there is no sub first_elt in XML::Twig::Elt.

If you look again at the examples, you will surely note that the first
one uses $twig (a XML::Twig Object), whereas the other two use $root (a
XML::Twig::Elt Object). I hope this clarifies things a little bit.
> > 
> > Another Way:
> > my @processes = $root->children('ProcessNames');
> > for ( @processes ) {
> >     print $_->text, "\n" for $_->children;
> > }
> > 
> > Yet Another Way:
> > my @names = $root->descendants('processName');
> > print $_->text, "\n" for @names;
> > 
>  The 2nd and 3rd method works. Thank you.

You are very welcome.

>  
>  Ying
>  

Andreas Pürzer

-- 
perl -mAcme::JAPH

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