Parse tshark (Wireshark) data field capture file

convert.js

var fs = require("fs");

var content = fs.readFileSync("outfile.raw",{encoding:'ascii'}).toString().trim().split(/\r?\n/g);

var text = Buffer.concat(content.map(function(line){return new Buffer(line.trim(),'hex');})).toString('ascii').trim();

text.split(/\r\n\r\n/g).forEach(function(line){
  var obj = JSON.parse(line);
  console.log( ' ' );
  console.log( JSON.stringify(obj,null,line.length>200?2:0) );
});