how to right plain text format file in node js

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Constanza
27 Mar 2020
1var fs = require('fs')
2var logger = fs.createWriteStream('log.txt', {
3  flags: 'a' // 'a' means appending (old data will be preserved)
4})
5
6logger.write('some data') // append string to your file
7logger.write('more data') // again
8logger.write('and more') // again
source
Félix
11 Mar 2017
1var fs = require('fs')
2fs.appendFile('log.txt', 'new data', function (err) {
3  if (err) {
4    // append failed
5  } else {
6    // done
7  }
8})
source
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