Answers for "writefile with nodejs"

writefile in node js

// append_file.js

const fs = require('fs');

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

write files in Node.js

var fs = require('fs');  
var txt = '\n' + 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);
            }
      });