{
  "rules":[
    {
      "command":"echo A > A",
      "local_job": true,
      "outputs":[{"dag_name": "A"}]
    },
    {
      "command":"cat A > B && echo B >> B",
      "inputs": [{"dag_name": "A"}],
      "outputs":[{"dag_name": "B"}],
      "local_job": true
    }
  ]
}
