如何从可执行bash脚本中的curl获得正确的响应？

Question

我有一个超级简单的bash脚本...

#!/bin/bash 
result=$(curl -i -H "Accept: application/json" -H "Content-Type: application/json" https://jsonplaceholder.typicode.com/posts/1) 

我试图调用REST API和解析响应。

当我执行这个脚本，我得到这个反应，这是不是我想要的......

% Total % Received % Xferd Average Speed Time Time  Time Current 
           Dload Upload Total Spent Left Speed 
146 292 146 292 0  0 1106  0 --:--:-- --:--:-- --:--:-- 6790 

当我直视着我的终端上运行curl命令，我得到这个响应，这是什么我想...

HTTP/1.1 200 OK 
Date: Fri, 20 Oct 2017 16:07:06 GMT 
Content-Type: application/json; charset=utf-8 
Content-Length: 292 
Connection: keep-alive 
Set-Cookie: __cfduid=da76c27cec17567gFH34bd0e2a0ae0ff1508515626; expires=Sat, 20-Oct-18 16:07:06 GMT; path=/; domain=.typicode.com; HttpOnly 
X-Powered-By: Express 
Vary: Origin, Accept-Encoding 
Access-Control-Allow-Credentials: true 
Cache-Control: public, max-age=14400 
Pragma: no-cache 
Expires: Fri, 20 Oct 2017 20:07:06 GMT 
X-Content-Type-Options: nosniff 
Etag: W/"124-yiKdLzqO5gBghyTrcdJ8Yq0LGnU" 
Via: 1.1 vegur 
CF-Cache-Status: HIT 
Server: cloudflare-nginx 
CF-RAY: 3b0d3a6bda04138f-LHR 

{ 
    "userId": 1, 
    "id": 1, 
    "title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit", 
    "body": "quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto" 
} 

有人能指出我错过了什么，请:)

Answer 1

你需要引用的结果，当你想将其保存到一个变量：

#!/bin/bash 
result="$(curl -i -H "Accept: application/json" -H "Content-Type: application/json" https://jsonplaceholder.typicode.com/posts/1)" 
echo the result is: "${result}" 

如果要保留多行，双引号是很重要的。

Answer 2

要获得curl的实际输出，您可以直接在脚本中使用该命令。或者你可以设置终点在一个变量...

#!/bin/bash 
result=https://jsonplaceholder.typicode.com/posts/1 
curl -i -H "Accept: application/json" -H "Content-Type: application/json" $result 

这可以告诉你你想要什么。