Do scirpt for copy file

Question

for(var a=0;a<myDoc.links.length;a++){
            var  f = File(myDoc.links[a].filePath);
            var fname = f.name;
            copyPasteScript = "tell application \"Finder\"\r";
           copyPasteScript += "copy file \""+myDoc.links[a].filePath+"\" to folder \""+ArtFolder+"\"\r";
            copyPasteScript += "end tell";
            app.doScript(copyPasteScript, ScriptLanguage.applescriptLanguage);
            var f2 = File(ArtFolder+"/"+fname);
            myDoc.links[a].relink(f2);
            myDoc.links[a].update();
it throws error in the highlighted line what to do....

Answer 1

Why NOT use ID's links copyLink to folder? No need to involve AppleScript and Finder…
#target indesign
var userHome = Folder('~').fsName.toString();
var linksFolder = userHome + '/Desktop/ID Links/';
myLinks = CreateFolder(linksFolder);
main();
function main() {
if (app.documents.length == 0) {
alert('Please have an "Indesign" document before running this script.');
return;
docRef = app.activeDocument;
with(docRef) {
for (var i = 0; i < links.length; i++) {
links[i].copyLink(myLinks);
function CreateFolder(Directory) {
var folderPath = new Folder(Directory);
if (folderPath.exists == false) {
folderPath.create();
return folderPath;