code: function puts(error, stdout, stderr) {
      if (error || stderr) {
        let err = null;
        if (error) {
          err = `${error}`;
        } else if (stderr) {
          err = `${stderr}`;
        }
        returnObj.code = 1;
        returnObj.error = err;
      }
      else if (stdout) {
        returnObj.code = 0;
        returnObj.result = `${stdout}`;
      }
      else {
        returnObj.code = null;
        returnObj.result = "Unknown stdout";
      }
    }
docs: Helpers 
  Callback for exec
  
  @param {any} error
  @param {any} stdout
  @param {any} stderr