Demonstrate the functionalities of fs module is synchronous mode.

PHOTO

Mon Apr 07 2025 23:54:36 GMT+0000 (Coordinated Universal Time)

Saved by @p9876543

const fs = require('fs');

fs.writeFileSync('sync.txt', 'This is written using writeFileSync');
console.log('File created and written successfully.');

const data = fs.readFileSync('sync.txt', 'utf8');
console.log('File content:', data);

fs.appendFileSync('sync.txt', '\nThis is an additional line.');
console.log('Content appended.');

fs.unlinkSync('sync.txt');
console.log('File deleted.');

Save snippets that work from anywhere online with our extensions

Available in the Chrome Web Store

Get Firefox Add-on

Get VS Code extension

Comments

More like this

FSD

@p9876543

Create a collection called "Students" in MongoDB that contains fields such as Name, Roll No, Section, GPA. Demonstrate the CRUD operations by performing on it. Write a JS to demonstrate the use of Async/Await. a) Create a collection called "Users" in MongoDB that contains fields such as Name, doj, salary and department. Demonstrate the CRUD operations by performing on it. b) Demonstrate the functionalities of os module. Demonstrate the functionalities of fs module is synchronous mode. Demonstrate the functionalities of fs module in asynchronous mode. Create a Http server listening on port 3000. Process the request to provide different types of resources as response(Html,json,text,js) Demonstrate the functionalities of the path module. Use 'fetch' function to access remote data using an API(https://jsonplaceholder.typicode.com/posts) and display it. Write a JS to demonstrate Callback Hell situation using Callbacks. Write a JS to demonstrate the use of Async/Await. Write a JS to demonstrate Function generators. Use EJS view-engine to display the dynamic response. Display the data read from the REST API in the form of a table in EJS. Create an express server that has an authorised endpoint using the JWT library.

Browse more snippets >>