NodeJs : Getting Started With

Day: 1

Using require, and importing standard nodejs module Filesystem and os available at(nodejs.org/api)

//this is the file we will be running from terminal

console.log('Starting Project')

//load standard node module from nodejs.org/api

const fs = require('fs');

const os = require('os');

fs.appendFile('Welcome.txt','Hello '+os.userInfo().username+' !',(error)=>{

if(error){

console.log('Unable to write')

}

})

fs.appendFile
-> first parameter: filename, it will create if it does not exist
-> 2nd parameter: text, which will be written to file
-> 3rd parameter: callback function: while processing in case of any error, error will be thrown