1const fs = require('fs');
2const readline = require('readline');
3
4async function processLineByLine() {
5  const fileStream = fs.createReadStream('input.txt');
6
7  const rl = readline.createInterface({
8    input: fileStream,
9    crlfDelay: Infinity
10  });
11  // Note: we use the crlfDelay option to recognize all instances of CR LF
12  // ('\r\n') in input.txt as a single line break.
13
14  for await (const line of rl) {
15    // Each line in input.txt will be successively available here as `line`.
16    console.log(`Line from file: ${line}`);
17  }
18}
19
20processLineByLine();
21

1const readline = require('readline');
2
3const readInterface = readline.createInterface({
4        input: fs.createReadStream('name.txt'),
5        output: process.stdout,
6        console: false
7    });
8
9 for await (const line of readInterface) {
10        console.log(line);
11    }
12//or
13readInterface.on('line', function(line) {
14    console.log(line);
15});