Extract XMP MetaData as XML

Demonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.

 Chilkat Perl Module Downloads for Windows, Linux, and MAC OS X

use chilkat();


$xmp = new chilkat::CkXmp();

$success = $xmp->UnlockComponent("Anything for 30-day trial.");
if ($success != 1) {
    print $xmp->lastErrorText() . "\n";
    exit;
}

#  Load a JPG or TIF image file.
#  Sample JPG's with XMP metadata may be found at:
#  http://www.chilkatsoft.com/testData/xmp/sample1.jpg
#  http://www.chilkatsoft.com/testData/xmp/sample2.jpg
#  http://www.chilkatsoft.com/testData/xmp/sample3.jpg
$success = $xmp->LoadAppFile("sample1.jpg");
if ($success != 1) {
    print $xmp->lastErrorText() . "\n";
    exit;
}

print "Num embedded XMP docs: " . $xmp->get_NumEmbedded() . "\r\n";

#  Assuming there is at least one, get the 1st.
#  (There is typically never more than one, but theoretically it's possible.)

# xml is a CkXml
$xml = $xmp->GetEmbedded(0);
if (!($xml eq null )) {
    $success = $xml->SaveXml("xmpMetaData.xml");
    if ($success != 1) {
        print $xml->lastErrorText() . "\n";
    }

    print "Success." . "\n";

}
else {
    print $xmp->lastErrorText() . "\n";
}