XML::Simple - how to select keys while parsing?

hparashu has asked for the wisdom of the Perl Monks concerning the following question:

Replies are listed 'Best First'.
Re: XML::Simple - how to select keys while parsing? by daxim (Curate) on Oct 09, 2013 at 16:49 UTC
You can't. Use a streaming/pull parser like XML::LibXML::Reader or XML::Twig instead.	[reply]
Re: XML::Simple - how to select keys while parsing? by Jenda (Abbot) on Oct 09, 2013 at 17:52 UTC
You want XML::Rules. See the docs and the posts here. Jenda Enoch was right! Enjoy the last years of Rome.	[reply]
Re: XML::Simple - how to select keys while parsing? by talexb (Chancellor) on Oct 09, 2013 at 16:52 UTC
Apparently, XML::Simple is now deprecated in favour of XML::LibXML; For what you're trying to do, it looks like the appropriate method is `getElementsByTagName`, found in XML::LibXML::Document. Alex / talexb / Toronto Thanks PJ. We owe you so much. Groklaw -- RIP -- 2003 to 2013.	[reply] [d/l]
Re^2: XML::Simple - how to select keys while parsing? by Jenda (Abbot) on Oct 09, 2013 at 18:18 UTC
It apparently makes about as much sense as deprecating plastic child knife for a chain saw. You can cut bread with it, somehow, but experience with the knife will be of no use to you. Jenda Enoch was right! Enjoy the last years of Rome.	[reply]
Re: XML::Simple - how to select keys while parsing? by AlexTape (Monk) on Oct 09, 2013 at 16:52 UTC
you have to give XML::Twig a try. maybe thats what you are looking for.. IMHO it´s not possible to do it with XML::Simple $perlig =~ s/pec/cep/g if 'errors expected';	[reply]
Re: XML::Simple - how to select keys while parsing? by Bloodnok (Vicar) on Oct 10, 2013 at 09:42 UTC
As has been said elsewhere, I don't believe that you can do it as an atomic operation with XML::Simple, but I believe that you could maybe do it in 2 stages e.g. something along the lines of ... `my $ref = XMLin(<file); my $keys_you_dont_want_re = 'key1\|key2\|key3\|...'; $ref = { map { $ref->{$_} } grep !/^($keys_you_dont_want_re)$/, keys % +$ref };` [download] Just a, not especially well considered, thought ... A user level that continues to overstate my experience :-))	[reply] [d/l]