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Coloring Mac Terminal

September 14th, 2010

By default Mac OS X’s Terminal application uses the Bash shell (Bourne Again SHell) but doesn’t have directory and file color highlighting enabled to indicate resource types and permissions setting

Enabling directory and file color highlighting requires that you open (or create) ~/.bash_profile in your favourite text editor, add these contents:

export CLICOLOR=1
export LSCOLORS=ExFxCxDxBxegedabagacad

… save the file and open a new Terminal window (shell session). Any variant of the “ls” command:

ls
ls -l
ls -la
ls -lah

… will then display its output in color.

More details on the LSCOLORS variable can be found by looking at the man page for “ls“:

man ls
LSCOLORS needs 11 sets of letters indicating foreground and background colors:

directory
symbolic link
socket
pipe
executable
block special
character special
executable with setuid bit set
executable with setgid bit set
directory writable to others, with sticky bit
directory writable to others, without sticky bit

The possible letters to use are:

a  black
b  red
c  green
d  brown
e  blue
f  magenta
c  cyan
h  light grey
A  block black, usually shows up as dark grey
B  bold red
C  bold green
D  bold brown, usually shows up as yellow
E  bold blue
F  bold magenta
G  bold cyan
H  bold light grey; looks like bright white
x  default foreground or background

By referencing these values, the LSCOLORS variable setting mentioned above translates to:

Bold blue with default background for directories, bold magenta with default background for symbolic links, bold green with default background for sockets, etc.

Reference :
http://www.geekology.co.za/blog/2009/04/enabling-bash-terminal-directory-file-color-highlighting-mac-os-x/

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