cq < file.cbor cq [attribute] < file.cbor
cq ".people.alice.age" < file.cbor
json-to-cbor < file.json > file.cbor
hs stands for
hs < file.cbor
JSON format has a limitation on the type of hash keys: it has to be a string.
CBOR doesn't come with such limitation.
string-keys-to-int automatically converts string keys into integers, whenever all the keys in a hash can be converted.
string-keys-to-int < file.cbor