nodejs read line code example

Example 1: readline in javascript

//Node.js readline
const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

rl.question('What do you think of Node.js? ', (answer) => {
  console.log(`Thank you for your valuable feedback: ${answer}`);
  rl.close();
});

Example 2: node.js read text file line by line

const readline = require('readline');

const readInterface = readline.createInterface({
        input: fs.createReadStream('name.txt'),
        output: process.stdout,
        console: false
    });

 for await (const line of readInterface) {
        console.log(line);
    }
//or
readInterface.on('line', function(line) {
    console.log(line);
});