How to append to a file in Node

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I am trying to append a string to a log file. However writeFile will erase the content each time before writing the string.

fs.writeFile('log.txt', 'Hello Node', function (err) {
  if (err) throw err;
  console.log('It\'s saved!');
}); // => message.txt erased, contains only 'Hello Node'

Any idea how to do this the easy way?

Jul 9, 2020 in Node-js by kartik
• 37,520 points
877 views

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