Fast way to add barcodes to items?

ERPNext Stock/Inventory
1

We need to find a good way to scan all EAN codes and connect them to items in erpnext. We want to add barcodes to items in this way:

  1. Go from item to item in our store and search item code then scan barcode.
  2. Do that for next item

Is there a way to do this fast without going into each item? Or should we make an app with item list that has only code and linked barcode? Than, would that save barcode permanently?

2
3

it can be updated via data import.