使用 jq 將 JSON 數組轉換為 CSV

Question

我有一個名為 temp.json 的 JSON 文件。

{
  "users": [
    {
      "username": "jack",
      "email": "jack@somewhere.com",
      "total running apps": "1",
      "api-mock-app": "0",
      "flogo": "1",
      "ipaas": "0",
      "nodejs-app": "0"
    },
    {
      "username": "jill",
      "email": "jill@somewhere.com",
      "total running apps": "1",
      "api-mock-app": "0",
      "flogo": "1",
      "ipaas": "0",
      "nodejs-app": "0"
    }
  ]
}

我想把這個 JSON 轉換成 CSV 像這樣，

username email              total running apps api-mock-app flogo ipaas nodejs-app
jack     jack@somewhere.com 1                  0            1     0     0
jill     jill@somewhere.com 1                  0            1     0     0

我試過這個

jq -r '.users[] | keys[0] [.username, .email, ."total running apps", ."api-mock-app", .flogo, .ipaas, ."nodejs-app"] | join(", ") | @csv' temp.json`

但我收到錯誤

q: error (at temp.json:22): Cannot index string with string "jack"`

誰能解釋一下我哪里出錯了，請讓我知道正確的答案。

Answer 1

jq解決方案：

jq -r '(.users[0] | keys_unsorted), (.users[] | to_entries | map(.value))|@csv' temp.json

輸出：

"username","email","total running apps","api-mock-app","flogo","ipaas","nodejs-app"
"jack","jack@somewhere.com","1","0","1","0","0"
"jill","jill@somewhere.com","1","0","1","0","0"

Answer 2

我認為最簡單的方法是

jq -r "(.users[0] | keys_unsorted),  (.users[] | map(.) | @csv)"

Answer 3

我試過這個，效果很好，

jq -r '(.users[0] | keys), (.users[] | [.username, .email, ."total running apps", ."api-mock-app", .flogo, .ipaas, ."nodejs-app"]) | @csv' temp.json

輸出格式是。

"api-mock-app","email","flogo","ipaas","nodejs-app","total running apps","username"
"jack","jack@somewhere.com","1","0","1","0","0"
"jill","jill@somewhere.com","1","0","1","0","0"