$doc->findnodes('foo')
####
$doc->findnodes('seg/foo')
##
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$doc->findnodes('/seg/foo')
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$foo->findnodes('text()')
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join('', map { $_->toString() } $foo_node->childNodes)
##
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join('', $foo_node->childNodes)
##
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$foo->findvalue('@mid')
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$foo->getAttribute('mid')
##
##
use strict;
use warnings qw( all );
use feature qw( say );
use XML::LibXML qw( );
my $xml = <<'__EOS__';
Need to export this text
__EOS__
my $doc = XML::LibXML->new->parse_string($xml);
for my $foo_node ($doc->findnodes('/seg/foo')) {
my $mid = $foo_node->getAttribute('mid');
my $inner_xml = join('', $foo_node->childNodes);
say "$mid $inner_xml";
}