Add elements within array with same field name in jq

Question

Need to add array elements with same field name

Input:

[
  {
    "all": 1,
    "sys": "bus"
  },
  {
    "all": 14,
    "sys": "bus"
  }
]

I have tried like below:

.[] | (.all +.all)

but got result like

2
28

Expected result: 15 (1 + 14)

peak · Accepted Answer · 2019-07-30 14:56:21Z

1

First map, then add:

map(.all) | add

C'est tout.

answered Jul 30, 2019 at 14:56

peak

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