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.writefile
const fs = require('fs');
fs.writeFile("/tmp/test", "Hey there!", function(err) {
if(err) {
return console.log(err);
}
console.log("The file was saved!");
});
// Or
fs.writeFileSync('/tmp/test-sync', 'Hey there!');nods js fs append to file
const fs = require('fs');
fs.appendFileSync('message.txt', 'data to append');javascript fs read
fs.readFile('/etc/passwd', (err, data) => {
if (err) throw err;
console.log(data);
});Copyright © 2021 Codeinu
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