files.js

const fs = require('fs');

// reading files

// fs.readFile('./docs/blog1.txt', (err,data) => {
// if(err){
// console.log(err);
// }
// console.log(data);
// console.log(data.toString());
// });
// // the program executed before call back function
// console.log('last line');


// writing files

// fs.writeFile('./docs/blog1.txt','hello world',() =>{
//     console.log('file was written');
// })

// if file doesn`t exist it makes new file

// fs.writeFile('./docs/blog2.txt','hello world',() =>{
//     console.log('file was written');
// })


//  directories

// if(!fs.existsSync('./assets')){
// fs.mkdir('./assets', (err) => {
// if(err){
//     console.log(err);
// }
// console.log('folder created');
// });

// }else{
//     fs.rmdir('./assets',(err)=>{
//         if(err){
//             console.log(err);
//         }
//         console.log('folder deleted');
//     });
// }

// deleting files

if(fs.existsSync('./docs/deleteme.txt')){
    fs.unlink('./docs/deleteme.txt',(err)=>{
        if(err){
            console.log(err);
        }
            console.log('file deleted');
        
    });
}