安装时出错卸载
时出错正在尝试帮助一个同学安装HomeBrew，但是每次我们试图下载HomeBrew时都得到这个错误。尝试了各种脚本卸载，但也得到错误。
解决方案吗?
这是我的/usr/local/bin目录(你不需要sudo权限):
$ ls -al /usr/local/bin | less
drwxr-xr-x 2466 ruichen admin 78912 Oct 22 00:46 .
drwxr-xr-x 21 root wheel 672 Aug 22 18:21 ..
-rw-r--r-- 1 ruichen admin 0 Oct 23 2019 .keepme
lrwxr-xr-x 1 ruichen admin 37 Oct 16 13:56 2to3 -> ../Cellar/python@3.9/3.9.7_1/bin/2to3
lrwxr-xr-x 1 ruichen admin 41 Oct 16 13:56 2to3-3.9 -> ../Cellar/python@3.9/3.9.7_1/bin/2to3-3.9
lrwxr-xr-x 1 ruichen admin 38 Sep 8 00:51 411toppm -> ../Cellar/netpbm/10.86.24/bin/411toppm
lrwxr-xr-x 1 ruichen admin 37 Nov 1 2020 4channels -> ../Cellar/libraw/0.20.2/bin/4channels
...