jq

Question 1

jq (json processor): how to filter out deep level arrays and strings?

Answer 1

cat whatever.json | jq ‘.[] | select(.results[].confirmation.dealStatus==”REJECTED”)’

Question 2

jq (json processor): how to get the last item in array?

Answer 2

[-1]

version 1.5 and above

Question 3

jq: how to get unchanged output (identity operator)?

Answer 3

.

Question 4

jq: how to get item which has a special char in identifier?

Answer 4

cat ordercontainers.json | jq ‘.[-1] | .tim.”$date”’

Question 5

jq: how to get sub attribute from object?

Answer 5

cat whatever.json | jq ‘.[1] | .result’

Question 6

jq: how to merge to json files with objects into a single one?

Answer 6

jq -s ‘.[0] * .[1]’ file1 file2

Question 7

jq: how to merge to json files with arrays into a single one?

Answer 7

jq -s ‘.[0] + .[1]’ file1 file2