code: function() {
      var err = '';
      var r = FileCheck();
      if (typeof r === 'string') {
        err = oMX.error.text + ': ' + r;
      } else if (r === null) {
        err = 'Files are not loaded yet';
      } else if (oMX.count < 2) {
        err = 'Minimum 2 files are required';
      }
      $('output').innerHTML = err ? err : oMX.Get(2);
    }
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