Nodejs Streams

read_file_without_using_streams.js

const http = require('http');
const fs = require('fs');

var server = http.createServer((req,res)=>{
  fs.readFile(__dirname + '/data.txt', function(err, data){
    if(err){
      res.end(err);
    }
    res.end(data);
  }
});
server.listen(3000);