【jq】jsonデータを1行に変換する

jq -cでやる

cat tmp.yaml | yq

このようなjson

{
  "apiVersion": "v1",
  "kind": "ConfigMap",
  "data": {
    "mapUsers": "- userarn: arn:aws:iam::XXXXXXXXXXXX:user/admin\n  username: admin\n  groups:\n    - system:masters\n"
  }
}

cat tmp.yaml | yq | jq -c
{"apiVersion":"v1","kind":"ConfigMap","data":{"mapUsers":"- userarn: arn:aws:iam::XXXXXXXXXXXX:user/admin\n  username: admin\n  groups:\n    - system:masters\n"}}