Arrays Commands

Manipulate JSON arrays with jq. Learn iteration, slicing, and array transformation techniques.

9 commands

Pro Tips

Use '.[]' to iterate over array elements, '.[0]' for specific index.

$ cat file.json | jq '. + ["new"]'

Add element to array

$ cat file.json | jq '.[0]'

Get first element of array

$ cat file.json | jq 'flatten'

Flatten nested arrays into single array

$ cat file.json | jq '.[]'

Iterate over all array elements

$ cat file.json | jq '.[-1]'

Get last element of array

$ cat file.json | jq '[.[] | .name]'

Transform each array element

$ cat file.json | jq 'reverse'

Reverse array order

$ cat file.json | jq '.[2:5]'

Get array elements from index 2 to 4

$ cat file.json | jq '.[:10]'

Get first N elements