How to append to a file in Node?
For occasional appends, you can use appendFile, which creates a new file handle each time it’s called: 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’); But if you append repeatedly to the same file, it’s much … Read more