curl 中这个$符号是什么意思呢

[cuixiao603]

https://i.imgur.com/XuSvu6s.png 新手入门，大佬勿喷，百度无果，遂来求问

https://github.com/int32bit/notes/blob/master/linux/bash%E5%AD%97%E7%AC%A6%E4%B8%B2%E5%89%8D%E7%BE%8E%E5%85%83%E7%AC%A6%E5%8F%B7%E7%9A%84%E4%BD%9C%E7%94%A8.md

根据楼下两位大佬的回复，找了一个中文文档

[ptyfork]

google: dollar sign single quote bash

看回答：

https://unix.stackexchange.com/questions/48106/what-does-it-mean-to-have-a-dollarsign-prefixed-string-in-a-script

[littleylv]

https://unix.stackexchange.com/questions/115612/understanding-two-flags-and-a-dollar-sign-in-a-curl-command