CODEWITHSUNDEEP
jsonjq
kc27
kc27

Reputation: 3

concatenate json objects with jq

I am new with jq and I have these json output of an app:

{
  "Woonkamer": {
    "currentTemperature": 21.8,
    "battery": 75,
    "isFailed": false
  }
}
{
  "Hal": {
    "currentTemperature": 19.5,
    "battery": 48,
    "isFailed": false
  }
}
{
  "Bijkeuken": {
    "currentTemperature": 18.4,
    "battery": 56,
    "isFailed": false
  }
}

I want them to join to one json object like:

{
  "Woonkamer": {
    "currentTemperature": 21.8,
    "battery": 75,
    "isFailed": false
  },
  "Hal": {
    "currentTemperature": 19.5,
    "battery": 48,
    "isFailed": false
  },
  "Bijkeuken": {
    "currentTemperature": 18.4,
    "battery": 56,
    "isFailed": false
  }
}

I cannot get figured out how to do that with jq (I read the manual),

Can someone help me?

Upvotes: 0

Views: 203

Answers (1)

0stone0
0stone0

Reputation: 44182

Use 's add, this will concatenate all the input objects;

// Multiple variables holding objects
jq -s add <<< "$j1 $j2 $j3"

// Multiple files holding objects
jq -s add file1 file2 file3

// Command output with multiple columns
command | jq -s add

Manually

You can add multiple columns by hand like so;

jq -s '.[0] * .[1] * .[2]' file1 file2 file3

Result

Both options result in:

{
  "Woonkamer": {
    "currentTemperature": 21.8,
    "battery": 75,
    "isFailed": false
  },
  "Hal": {
    "currentTemperature": 19.5,
    "battery": 48,
    "isFailed": false
  },
  "Bijkeuken": {
    "currentTemperature": 18.4,
    "battery": 56,
    "isFailed": false
  }
}

Upvotes: 1

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