如何从shell脚本获取dict值？

Question

I have did a curl request and get the response bellow:

$ curl -s http://xx.com/api
$ {"key":"value"}

How can I get the value directly from the request? Like this:

$ curl -s http://xx.com/api | XXXX
$ value

Answer 1

curl -s http://xx.com/api | sed 's/.*:"\(.*\)".*/\1/'