read dir node script invoke: node readdir PATHTODIR

readdir.js

const path = require('path');
const fs = require('fs');
//joining path of directory 
const directoryPath = path.join(process.argv[2]);
//passsing directoryPath and callback function
fs.readdir(directoryPath, function (err, files) {
    //handling error
    if (err) {
        return console.log('Unable to scan directory: ' + err);
    } 
    //listing all files using forEach
    const arrayOfFiles = [];
    const s3Path = 'https://gftc2020.s3.amazonaws.com/galleries/monday-03-20/';
    files.forEach(function (file) {
      // Do whatever you want to do with the file
      arrayOfFiles.push(s3Path + file);
      console.log('"' + s3Path + file + '"' + ',');
    });
});