copy filename to the Headline field in the IPTC

For historical record, this 3 year old unanswered question is now covered in another post:

Re: Copy Filename to IPTC Keywords

// https://forums.adobe.com/thread/656144   
// https://forums.adobe.com/message/9744916   
// https://forums.adobe.com/message/9745231   
#target bridge   
addNametoMeta = {};   
addNametoMeta.execute = function(){   
  var sels = app.document.selections;   
  for (var i = 0; i < sels.length; i++){   
var md = sels.synchronousMetadata;   
    md.namespace = "http://ns.adobe.com/photoshop/1.0/";   
    var Name = decodeURI(sels.name).replace(/\.[^\.]+$/g, ' '); //remove extension   
    md.Headline = md.Headline + Name;   
  }   
}   
if (BridgeTalk.appName == "bridge"){   
var menu = MenuElement.create( "command", "Filename to XMP and IPTC Headline", "at the end of Tools");   
  menu.onSelect = addNametoMeta.execute;   
}