Whats wrong on this coding
#!/usr/bin/perl
use strict;
use warnings;
use XML::LibXML;
# Define file paths
my $input_file = '1.xml';
my $output_file = '3.xml';
# Create a new XML::LibXML object
my $parser = XML::LibXML->new;
# Parse the input XML file
my $doc = $parser->parse_file($input_file);
# Example transformation: let's say we want to add an attribute to the
+ root element
my $root = $doc->documentElement();
$root->setAttribute('newAttribute', 'newValue');
# Example transformation: change the value of an element
foreach my $node ($doc->findnodes('//someElement')) {
$node->removeChildNodes();
$node->appendText('New Value');
}
# Save the transformed XML to the output file
$doc->toFile($output_file);
print "Transformation complete. Output saved to $output_file\n";
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