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Re^2: sub that finds ancestor elements

by tobyink (Abbot)
on Sep 13, 2012 at 20:52 UTC ( #993575=note: print w/ replies, xml ) Need Help??

in reply to Re: sub that finds ancestor elements
in thread sub that finds ancestor elements

Why the colons between the module name and version number? (I doubt you need to specify the version number at all - ppm presumably defaults to the latest version available.)

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

Comment on Re^2: sub that finds ancestor elements
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Re^3: sub that finds ancestor elements
by jccunning (Acolyte) on Sep 13, 2012 at 21:47 UTC
    When I install using "ppm install XML-LibXML" then version 1.70 of XML-LibXML is installed as the latest. Your script indicated "use XML::LibXML 2;". Of course, I get error that version 2 is required.

      Replace this:

      $node->findnodes("ancestor::*")->map(sub { $coolNodeName->($_) })

      With this:

      (map { $coolNodeName->($_) } $node->findnodes("ancestor::*"))

      ... and you should be able to use XML::LibXML 1.70.

      perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

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