chowey

var fn = '\n var o={a: "Hello";\n b:"World"};'

var child = require('child_process').spawn(process.execPath, ['-e', fn]);

child.stderr.setEncoding('utf8');

child.stderr.on('data', function (data) {
  var errLines = data.split('\n');
  var infoLine = errLines[1].split(':');
  var descLine = errLines[4];