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08.19.2008 at 12:24PM PDT, ID: 23660801
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8.2

XML::Twig Help with parsing element (3 levels down)

Asked by jrram in Perl Programming Language

Tags:

I'm trying to parse the 'layout' elements in the below XML.  This is the code I have so far:

==========

use warnings;
use XML::Twig;


sub setup_template {
        my ($twig_v, $cur_col)= @_;
       
        print $cur_col->first_child( 'field');
       
}

my $inp_file="INPUT_TEST.xml";

my $twig_v= new XML::Twig( TwigHandlers=> { 'layouts/layout' => \&setup_template});
$twig_v->parsefile($inp_file);

==========

This was just an initial test just to see if I could get the right stuff to printin my function, it gives me this output:
  XML::Twig::Elt=HASH(0xe3cd60)XML::Twig::Elt=HASH(0xe46520)

From what I have so far, I know its setup to parse each layout tag, but I can't figure out how to get it to read the next level.  In the end, I'd like to have two pipe delimited rows like:

In the end, I'd like my output to be:

APPLICATION_ID|ID_FLEX_CODE
CREATED_BY|ATTRIBUTE_VALUE

I have even tried this line, but it still does not work for me::

print $cur_col->first_child( 'field')->first_child( 'name');

Please help with.  I've read some of the TWIG documentation buts its not been helpful for me.Start Free Trial 
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<?xml version="1.0"?>
<datagen>
        <table>FND_SEGMENT_ATTRIBUTE_VALUES</table>
        <structure>
                <column>
                        <name>APPLICATION_ID</name>
                        <type>decimal</type>
                        <style>variable</style>
                </column>
                <column>
                        <name>ID_FLEX_CODE</name>
                        <type>varchar2(4)</type>
                        <style>constant</style>
                </column>
        </structure>
        <layouts>
                <layout>
                        <field>
                                <name>APPLICATION_ID</name>
                                <value></value>
                        </field>
                        <field>
                                <name>ID_FLEX_CODE</name>
                                <value>GL#</value>
                        </field>
                </layout>                 
                <layout>
                        <field>
                                <name>CREATED_BY</name>
                                <value></value>
                        </field>
                        <field>
                                <name>ATTRIBUTE_VALUE</name>
                                <value>Y</value>
                        </field>
                </layout>                        
        </layouts>
<datagen>
 
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[+][-]08.19.2008 at 12:36PM PDT, ID: 22263070

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[+][-]08.19.2008 at 01:38PM PDT, ID: 22263647

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[+][-]08.19.2008 at 02:05PM PDT, ID: 22263870

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[+][-]08.19.2008 at 02:18PM PDT, ID: 22263963

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About this solution

Zone: Perl Programming Language
Tags: XML::Twig
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Solution Provided By: Adam314
Participating Experts: 1
Solution Grade: A
 
 
 
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