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Node.js File System and Path Cheat Sheet

A 2-page reference for the Node.js fs and path modules: 15 short entries with copy-ready code.

ForDevelopers

nodejs-fs-and-path-cheat-sheet.pdfShowing 18 of 69 lines
// Read a text file
import { readFile } from "node:fs/promises";
const text = await readFile("data.txt", "utf8");

// Write a text file
import { writeFile } from "node:fs/promises";
await writeFile("out.txt", "hello\n");

// Append to a file
import { appendFile } from "node:fs/promises";
await appendFile("log.txt", "line\n");

// List a directory
import { readdir } from "node:fs/promises";
const entries = await readdir(".", { withFileTypes: true });
const dirs = entries.filter((d) => d.isDirectory());

// Create directories

What's inside

Format
PDF, Markdown
Contents
15 sections · 2 pages
Version
1.0 · Updated 3 Oct 2026
Licence
Commercial What this means
Checked
Checked before it ships
  • nodejs-fs-and-path-cheat-sheet.pdfPDF · 20 KB
  • nodejs-fs-and-path-cheat-sheet.mdMarkdown · 3 KB
  • LICENSE.txtadded to every download

About this item

A compact, printable reference for the Node.js fs and path modules. Each of the 15 entries has a one-line explanation and a small example you can paste into your editor. The PDF uses a two-column A4 layout designed to sit next to your keyboard, and the same content ships as Markdown so you can search it or drop it into your notes. Every JavaScript example targets Node 20.

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