5c folder

const fs = require('fs');

// Create a folder named "myFolder"
if (!fs.existsSync('myFolder')) {
  fs.mkdirSync('myFolder');
  console.log('Folder created');
}

// Create a text file
fs.writeFileSync('myFolder/file.txt', 'Hello from Node.js!');

// Create a JSON file
const data = {
  name: 'John',
  age: 25
};
fs.writeFileSync('myFolder/data.json', JSON.stringify(data));

console.log('Files created!');

5d


const fs = require('fs');

// Create a file with some data
fs.writeFileSync('input.txt', 'This is streaming data example.');

// Read from input.txt and write to output.txt using streams
const readStream = fs.createReadStream('input.txt');
const writeStream = fs.createWriteStream('output.txt');

readStream.pipe(writeStream);

console.log('Streaming done!');