var lineReader = require('readline').createInterface({ input: require('fs').createReadStream('data.txt') }); var result = new Array(); lineReader.on('line', function (line) { var message = JSON.parse(line); var id = message.ID; result.push(id); var info = message.Info; result.push(info); result.push(" "); }); lineReader.on('close', () => { for (let record of result) { console.log(record); } });