#! /usr/bin/env node 'use-strict' const fs = require('fs'); console.log(process.argv[0]); if (process.argv.length === 2) { const f = (dir, len) => { fs.readdir(dir, function(err, items) { for (let i = 0; i < items.length; i++) { if (dirent.isDirectory(items[i])) { console.log(items[i]); f(items[i], len + 2); } else { console.log(items[i]); } } }); } f(process.argv[1], 0); }