tatapower/7-fs.js

This is my first module for tata power

let fs = require("fs");

function errorHandler(error){
    if(error){
        console.log(error+" happened")
    };
}

fs.exists("./data", function(error){
    if(error){
        console.log("directory exists")
        fs.writeFile("./data/temp.txt", "Hello Tata Power", errorHandler);
    }else{
        console.log("directory do not exist")
        fs.mkdir("data", errorHandler);
        fs.writeFile("./data/temp.txt", "Hello Tata Power", errorHandler);
    }
});