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Editorial Team
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Asked: 2026-05-22T22:22:27+00:00

I have a XML created dynamically. However, I want to add a reference to

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I have a XML created dynamically. However, I want to add a reference to an XSLT file in it, to be able to render the XML file as HTML in Mozilla.

I want my final XML to start something like this:

<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet type="text/xsl" href="xslt_stylesheet_file.xsl"?>
<root_node>
</root_node>

I am not able to install XML::LibXSLT, so that is not a solution.
Another solution would be to write the XML in a file, open it as a regular file and add the XSLT reference to it – but that just doesn’t seem right to me.

Are there elegant solutions to this?

Edit:

Added some code

use strict;
use warnings;
use XML::LibXML;

my $final_xml = XML::LibXML::Document->new('1.0','utf-8');

 my $root_node = $final_xml->createElement('root'); 

 $final_xml->setDocumentElement( $root_node );


open (MYFILE, '>final.xml' );
 print MYFILE $final_xml->toString();
close (MYFILE);

And the output is:

<?xml version="1.0" encoding="utf-8"?>
<root/>
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1 Answer

  1. Editorial Team
    use strict;
use warnings;
use XML::LibXML;

my $final_xml = XML::LibXML::Document->new('1.0','utf-8');

my $pi = $final_xml->createProcessingInstruction("xml-stylesheet");
$pi->setData(type=>'text/xsl', href=>'xslt_stylesheet_file.xsl');
$final_xml->appendChild($pi);

my $root_node = $final_xml->createElement('root'); 
$final_xml->setDocumentElement($root_node);

$final_xml->toFile("final.xml")

    =>

    <?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="xslt_stylesheet_file.xsl" type="text/xsl"?>
<root/>
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