使Mac OS系统在命令行中显示目录树形结构的方法

find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'

alias tree="find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'"

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

$ brew install wget

$ cd /usr/local
$ find Cellar
Cellar/wget/1.16.1
Cellar/wget/1.16.1/bin/wget
Cellar/wget/1.16.1/share/man/man1/wget.1
$ ls -l bin
bin/wget -> ../Cellar/wget/1.16.1/bin/wget

brew install tree