How to append to a file in Node?
// Asynchronously:
const fs = require('fs');
fs.appendFile('message.txt', 'data to append', function (err) {
if (err) throw err;
console.log('Saved!');
});
// Synchronously:
const fs = require('fs');
fs.appendFileSync('message.txt', 'data to append');fs.readfile
fs.readFile('filename', function read(err, data) {
if (err) {
throw err;
}
var content = data;
console.log(content);
});create append files javascript node
var fs = require('fs');
fs.appendFile('mynewfile1.txt', 'Hello
content!', function (err) {
if (err) throw err;
console.log('Saved!');
});Copyright © 2021 Codeinu
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