JAVASCRIPT

writing to file in node js

const fs = require('fs')

const content = 'Some content!'

try {
  fs.writeFileSync('/Users/joe/test.txt', content)
  //file written successfully
} catch (err) {
  console.error(err)
}

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!');

writefile in node js

// append_file.js

const fs = require('fs');

// add a line to a lyric file, using appendFile
fs.appendFile('empirestate.txt', '
Right there up on Broadway', (err) => {
    if (err) throw err;
    console.log('The lyrics were updated!');
});

writefile in node js

fs.writeFile('2pac.txt', 'Some other lyric', 'ascii', callback);

write files in Node.js

var fs = require('fs');  
var txt = '
' + tkn_psid_id + ':' + assetUrl;
var folderName = '/duplicates/bugging/videobug/' + tkn_psid_id + '.txt';
fs.appendFile(folderName, txt, function (err) {
       if (err) {
                console.log('Append Error');
           } else {
                   console.log('DuplicateFolder' + folder);
            }
      });