how check if key or key and value exist in a file ??

[markonop93]

how ??

[wader]

# using has/1
$ jq 'has("somekey")' <<< '{"somekey": 123}'
true

# if you know the key will never have the value null or false you can just do .somekey 
$ jq 'if .somekey then "yeap" else "nope" end' <<< '{"somekey": 123}'
"yeap"

[markonop93]

thank u

what if check specific value ??