AR: Rename each folder with a list of filenames (Pre-batch)

const ZERO_PAD = 3;
const FILE_PREFIX = "";
var FILENAME_LIST = ["Front Outer", "Front Inner", "Back Inner", "Back Outer"];
var temp_path = app.getItem(0).path;
var file_counter=0;

// Function that add leading zeros to any string
function zpad(str, nb_digits) {
    if (str.length < nb_digits) { return (Array(nb_digits - str.length + 1).join('0') + str); }
    else { return str; }
}