仅使用 Bash 解析 JSON
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Parse through JSON using only Bash
提问by hack4mer
I have a JSON file :
我有一个 JSON 文件：
{
"request_id": "9a081c0c-9401-7eca-f55d-50e3b7c0301c",
"lease_id": "",
"renewable": false,
"lease_duration": 2764800,
"data": {
"password": "test123",
"username": "testuser1"
},
"wrap_info": null,
"warnings": null,
"auth": null
}
I am trying to read the values of usernameand password. Now I was able to integrate bash and python to get what I wanted.
我想读的价值username和password。现在我能够集成 bash 和 python 来获得我想要的。
# curl --silent -k https://1.2.3.4:8200/v1/secret/service/clustered -H "X-Vault-Token: c2e3b6ec17df" | python3 -c "import sys, json; print(json.load(sys.stdin)['data']['password'])"
test123
# curl --silent -k https://1.2.3.4:8200/v1/secret/service/clustered -H "X-Vault-Token: c2e3b6ec17df" | python3 -c "import sys, json; print(json.load(sys.stdin)['data']['username'])"
testuser1
But since I only want to use bash, I have done the following too:
但由于我只想使用 bash，我也做了以下工作：
# curl --silent -k https://1.2.3.4:8200/v1/secret/service/clustered -H "X-Vault-Token: c2e3b6ec17df" | sed -n -e 's/^.*password":"//p' | cut -d'"' -f1
test123
# curl --silent -k https://1.2.3.4:8200/v1/secret/service/clustered -H "X-Vault-Token: c2e3b6ec17df" | sed -n -e 's/^.*username":"//p' | cut -d'"' -f1
testuser
I am just concerned whether I have made use of sedand cutcommands correctly in this case. Or is there a better way to extract the required fields?
我只关心我是否利用了sed与cut在这种情况下，正确的命令。或者有没有更好的方法来提取所需的字段？
回答by grundic
回答by Inian
I would recommend jqa lightweight JSONaware parser for manipulating JSONcontent. Pipe your curlcommand input to a filter in jqas
我会推荐 jq一个轻量级的JSON解析器来操作JSON内容。管你的curl命令输入到一个过滤器jq作为
curl-command | jq --raw-output '.data.password, .data.username'
Instructions to download-and-install jqavailable.
提供下载和安装jq说明。
回答by hack4mer
You can use bashJson
您可以使用bashJson
Its a wrapper for the Python's JSON module and can handle complex JSON data.
它是 Python 的 JSON 模块的包装器，可以处理复杂的 JSON 数据。
See my answer here for example usage : https://stackoverflow.com/a/51821898/2734348
在此处查看我的答案以获取示例用法：https: //stackoverflow.com/a/51821898/2734348
