json-cli-helpers

Install

npm i -g json-cli-helpers json

Or with csvtojson:

npm i -g json-cli-helpers json csvtojson

Better use with:

• https://www.npmjs.com/package/json
• https://www.npmjs.com/package/csvtojson

Usage

Test file:

$ cat test.json | json
[
  {
    "name": "aleksej",
    "gender": "male"
  },
  {
    "name": "elena",
    "gender": "female"
  },
  {
    "name": "anna",
    "gender": "female"
  }
]

Group by field:

$ cat test.json | group-by gender | json
{
  "male": [
    {
      "name": "aleksej",
      "gender": "male"
    }
  ],
  "female": [
    {
      "name": "elena",
      "gender": "female"
    },
    {
      "name": "anna",
      "gender": "female"
    }
  ]
}

Index by field:

$ cat test.json | index-by name | json
{
  "aleksej": {
    "gender": "male"
  },
  "elena": {
    "gender": "female"
  },
  "anna": {
    "gender": "female"
  }
}