# jq JSON 剖析器

## 介紹

jq 是輕量級且靈活的命令行 JSON 處理器。

## 下載

mac os 系統可以使用 brew 套件管理器安裝\
`brew install jq`

{% embed url="<https://stedolan.github.io/jq/>" %}

其他系統可以參考官網

## 簡易說明

`$ jq '.name' fileName.json`\
取得 fileName.json 裡的 name 鍵的值\
例如："name": "Andy"\
取得 "Andy"

`$ jq '.students[].name' fileName.json`\
取得 fileName.json 裡的\
students 陣列裡的 name 鍵的值

例如：

```
"students": [
    {
      "name": "student1",
      "number": "1"
    },
    {
      "name": "student2",
      "number": "2"
    }
  ]
```

取得：\
"student1"\
"student2"


---

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