const fs = require('fs'); //createReadStream: read the file //first argument: location of the file //second argument: option argument //encoding: 'utf8' : enabled the readable format const readStream = fs.createReadStream('./docs/blog3.txt', {encoding: 'utf8'}); //createWriteStream: write to the file const writeStream = fs.createWriteStream('./docs/blog4.txt'); //on: file readevent listener //ev..