pipe_in_express.js

const express = require('express');
const app = express();
const fs = require('fs');
app.get('/', (req, res) => {
    const { size } = fs.statSync('input.txt');
    const readStreamfile = fs.createReadStream('input.txt', {
        encoding: 'UTF-8',
        start: 0,
        end: size,
        highWaterMark: 10
    });
    // Read and display the file data on console
    readStreamfile.on('data', function (chunk) {
        console.log(chunk);
    });
    // Response as stream
    readStreamfile.pipe(res);  
    // result of pipe: My name is Mohammad Yaser, I love to share my knowledge
})
app.listen(9191, () => {
    console.log("server run")
})