can't copy

index.js

@@ -0,0 +1,36 @@
+const dir = process.argv[process.argv.length-1];
+const fs = require('fs');
+// const fsPromises = fs.promises;
+const ExifImage = require('exif').ExifImage;
+
+fs.readdir(dir, (err, files) => {
+    for (let file of files) {
+        try {
+            const newpromise = new ExifImage({ image : dir + file }, (error, exifData) => {
+                if (error){
+                    // console.log('Error: '+error.message);
+                    // console.log(file);
+                }
+                else{
+                    if(exifData.exif.CreateDate){
+                        // console.log(exifData.exif.CreateDate); // Do something with your data!
+                        const extension = file.substring(file.lastIndexOf('.'));
+                        let newFileName = exifData.exif.CreateDate + "__" + new Date().getTime() + extension;
+                        // console.log(newFileName);
+                        // fsPromises.copyFile(dir+file, '~/Downloads/vivienne/photosreorg/' + newFileName).catch((error) => {
+                        //     console.log(error);
+                        // });
+                        fs.copyFile(dir+file, '~/Downloads/vivienne/photosreorg/' + newFileName, fs.constants.COPYFILE_EXCL, (err) => {
+                            if(err){
+                                console.log(err);
+                            }
+                        });
+                    }
+                }
+            });
+        } catch (error) {
+            // console.log(file);
+            // console.log('Error: ' + error.message);
+        }
+    }
+})

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "start": "node index.js"
   },
   "repository": {
     "type": "git",