read lines in file javascript node code example

Example 1: 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);
});

Example 2: File line by line reader Node js

lineReader.open('file.txt', function(reader) {
  if (reader.hasNextLine()) {
    reader.nextLine(function(line) {
      console.log(line);
    });
  }
});