kvey / jsonpipen

Node.js based command-line tool for selecting and returning line operable formatted JSON

JSONpipen

Usage: json [options]

Options:

-h, --help     output usage information
-V, --version  output the version number
-r, --read     Output as line by line representation for use with grep and other line tools

Json command line manipulation tool. Pipe json file through the utility. Takes dot selector parameter to only return individual portions of the result.

The -r flag can be used to output in an easy to grep format.

Examples

Using the following JSON file:

{"apiVersion":"2.0",
  "data":{
    "updated":"2010-01-07T19:58:42.949Z",
    "totalItems":800,
    "startIndex":1,
    "itemsPerPage":1,
    "items":[
    {"id":"hYB0mn5zh2c",
      "uploaded":"2007-06-05T22:07:03.000Z",
      "updated":"2010-01-07T13:26:50.000Z",
      "uploader":"GoogleDeveloperDay",
      "category":"News",
      "title":"Google Developers Day US - Maps API Introduction",
      "description":"Google Maps API Introduction...",
      "tags":[
        "GDD07","GDD07US","Maps"
        ],
      "thumbnail":{
        "default":"http://i.ytimg.com/vi/hYB0mn5zh2c/default.jpg",
        "hqDefault":"http://i.ytimg.com/vi/hYB0mn5zh2c/hqdefault.jpg"
      },
      "player":{
        "default":"http://www.youtube.com/watch?v\u003dhYB0mn5zh2c"
      },
      "content":{
        "1":"rtsp://v5.cache3.c.youtube.com/CiILENy.../0/0/0/video.3gp",
        "5":"http://www.youtube.com/v/hYB0mn5zh2c?f...",
        "6":"rtsp://v1.cache1.c.youtube.com/CiILENy.../0/0/0/video.3gp"
      },
      "duration":2840,
      "aspectRatio":"widescreen",
      "rating":4.63,
      "ratingCount":68,
      "viewCount":220101,
      "favoriteCount":201,
      "commentCount":22,
      "status":{
        "value":"restricted",
        "reason":"limitedSyndication"
      },
      "accessControl":{
        "syndicate":"allowed",
        "commentVote":"allowed",
        "rate":"allowed",
        "list":"allowed",
        "comment":"allowed",
        "embed":"allowed",
        "videoRespond":"moderated"
      }
    }
    ]
  }
}

Getting accessControl section only:

$ cat test/youtube.json | json data.items[0].accessControl

Returns:

{
  "syndicate": "allowed",
  "commentVote": "allowed",
  "rate": "allowed",
  "list": "allowed",
  "comment": "allowed",
  "embed": "allowed",
  "videoRespond": "moderated"
}

"grepable" format:

/syndicate/allowed
/commentVote/allowed
/rate/allowedwed
/list/allowed
/comment/allowed
/embed/allowed
/videoRespond/moderated