json_pp命令
###########

功能::

    格式化json

示例::

    $ echo '{"result":[{"addr":"32hxx","txids":["bef80ffd"]}],"error":null,"id":"test"}' | json_pp
    {
       "error" : null,
       "id" : "test",
       "result" : [
          {
             "addr" : "32hxx",
             "txids" : [
                "bef80ffd"
             ]
          }
       ]
    }


jq
==

::

    brew install jq
    格式化 json结构文件，且加亮，如:
    cat abc.json | jq

示例::

    ➜ echo '{"result":[{"addr":"32hxx","txids":["bef80ffd"]}],"error":null,"id":"test"}' | jq
    {
      "result": [
        {
          "addr": "32hxx",
          "txids": [
            "bef80ffd"
          ]
        }
      ],
      "error": null,
      "id": "test"
    }