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fs-promise.js
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fs-promise.js
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const fs = require('fs');
const fsPromises = fs.promises;
// write file
(async function(){
try {
const filehandle = await fsPromises.writeFile('userlogs.txt', 'system logs...','utf8');
console.log('file created')
}
catch(err){
console.log(err)
}
}());
// read file
(async function(){
try {
const filehandle = await fsPromises.readFile('logs.txt', 'utf8');
console.log(filehandle)
}
catch(err){
console.log(err)
}
}());
// append file
(async function(){
try {
const filehandle = await fsPromises.appendFile('logs.txt', 'New logs', 'utf8');
console.log(filehandle)
}
catch(err){
console.log(err)
}
}());
// open file
(async function(){
try {
const filehandle = await fsPromises.open('logs.txt', 'w');
console.log('file open')
}
catch(err){
console.log(err)
}
}());
// rename file
(async function(){
try {
const filehandle = await fsPromises.rename('logs.txt', 'userlogs.txt');
console.log('File name updated')
}
catch(err){
console.log(err)
}
}());
// delete file
(async function(){
try {
const filehandle = await fsPromises.unlink('userlogs.txt');
console.log('File deleted')
}
catch(err){
console.log(err)
}
}());