How to install tree command in Mac

##Adding Tree For the sake of simplicity, I chose to use an alias for the tree command rather than creating a new directory and altering my function search path to read that directory. I searched the web for a bit and found a solution that worked perfectly. Simply open up your .zshrc file and add this code:

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

now return to the command line and run:

source .zshrc

For those who are unaware, the tree function is a useful shell command that displays the file structure of a given directory in a visual manner. For example, if I am in a directory titled my_blog and within that directory have three folders html, css and js, tree would show something like this:

| |____Contents
| | |_____CodeSignature
| | | |____CodeResources
| | |____MacOS
| | | |____Notifier
| | |____Resources
| | | |____en.lproj
| | | | |____MainMenu.nib
| | | | |____InfoPlist.strings
| | | | |____Credits.rtf
| | | |____AppIcon.icns
| | | |
| | |____Info.plist
| | |____PkgInfo

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