A better ls for Mac OS X

yadianna

　　http://hocuspokus.net/2008/01/a-better-ls-for-mac-os-x/
　　
　　为避免被墙，原谅复制如下：
　　A better ls for Mac OS X
　　January 04, 2008
　　
I’m a bit of a command-line freak and like to spend a fair amount of time with the terminal open… As such I like to spend a small amount of time getting the terminal set-up nicely. Other than changing the default colour scheme and font, one (slightly) more drastic change is to replace the standard implementation of ls for one that is slightly more configurable.
　　The default ls on OS X comes from BSD and compared to the GNU/Linux alternative is slightly lacking when it comes to changing how things look – so what I like to do is replace it with the GNU ls available in MacPorts – this allows me to get a terminal setup like below:
　　
　　To get this done is pretty simple, once you have MacPorts set up correctly (if you can type man port and get a manual page you’re ready), just run the following command:   
sudo port install coreutils +with_default_names
　　This installs the ‘GNU File, Shell, and Text utilities’ which ls is part of – the extra option at the end +with_default_names makes it override (only override – not replace, this is totally removable) the default ls and other tools otherwise they will have a ‘g’ prefix – i.e. ls would be gls.
　　Next we add some extra configuration to our ~/.bash_profile file (i’ll include my MacPorts config in case you get stuck above)…
　　# MacPorts   
export PATH=/opt/local/bin:/opt/local/sbin:$PATH   
export MANPATH=/opt/local/share/man:$MANPATH
　　# Terminal colours (after installing GNU coreutils)   
NM="\[\033[0;38m\]" #means no background and white lines   
HI="\[\033[0;37m\]" #change this for letter colors   
HII="\[\033[0;31m\]" #change this for letter colors   
SI="\[\033[0;33m\]" #this is for the current directory   
IN="\[\033[0m\]"
　　export PS1="$NM[ $HI\u $HII\h $SI\w$NM ] $IN"
　　if [ "$TERM" != "dumb" ]; then   
    export LS_OPTIONS='--color=auto'   
    eval `dircolors ~/.dir_colors`   
fi
　　# Useful aliases   
alias ls='ls $LS_OPTIONS -hF'   
alias ll='ls $LS_OPTIONS -lhF'   
alias l='ls $LS_OPTIONS -lAhF'   
alias cd..="cd .."   
alias c="clear"   
alias e="exit"   
alias ssh="ssh -X"   
alias ..="cd .."   
  
Then finally we need to create a file called .dir_colors in our home directory that allows us to configure the colours used by ls:
　　touch ~/.dir_colors   
  
Then add the contents of the file here:
　　# Configuration file for dircolors, a utility to help you set the   
# LS_COLORS environment variable used by GNU ls with the --color option.
　　# The keywords COLOR, OPTIONS, and EIGHTBIT (honored by the   
# slackware version of dircolors) are recognized but ignored.
　　# Below, there should be one TERM entry for each termtype that is colorizable   
TERM linux   
TERM linux-c   
TERM mach-color   
TERM console   
TERM con132x25   
TERM con132x30   
TERM con132x43   
TERM con132x60   
TERM con80x25   
TERM con80x28   
TERM con80x30   
TERM con80x43   
TERM con80x50   
TERM con80x60   
TERM xterm   
TERM xterm-color   
TERM xterm-debian   
TERM rxvt   
TERM screen   
TERM screen-w   
TERM vt100
　　# Below are the color init strings for the basic file types. A color init   
# string consists of one or more of the following numeric codes:   
# Attribute codes:   
# 00=none 01=bold 04=underscore 05=blink 07=reverse 08=concealed   
# Text color codes:   
# 30=black 31=red 32=green 33=yellow 34=blue 35=magenta 36=cyan 37=white   
# Background color codes:   
# 40=black 41=red 42=green 43=yellow 44=blue 45=magenta 46=cyan 47=white   
NORMAL 00   # global default, although everything should be something.   
FILE 00     # normal file   
DIR 01;36   # directory   
LINK 01;37  # symbolic link.  (If you set this to 'target' instead of a   
            # numerical value, the color is as for the file pointed to.)   
FIFO 40;33  # pipe   
SOCK 01;35  # socket   
DOOR 01;35  # door   
BLK 40;33;01    # block device driver   
CHR 40;33;01    # character device driver   
ORPHAN 40;31;01 # symlink to nonexistent file
　　# This is for files with execute permission:   
EXEC 01;35
　　# List any file extensions like '.gz' or '.tar' that you would like ls   
# to colorize below. Put the extension, a space, and the color init string.   
# (and any comments you want to add after a '#')
　　# If you use DOS-style suffixes, you may want to uncomment the following:   
#.cmd 01;32 # executables (bright green)   
#.exe 01;32   
#.com 01;32   
#.btm 01;32   
#.bat 01;32
　　.tar 01;31 # archives or compressed (bright red)   
.tgz 01;31   
.arj 01;31   
.taz 01;31   
.lzh 01;31   
.zip 01;31   
.z   01;31   
.Z   01;31   
.gz  01;31   
.bz2 01;31   
.deb 01;31   
.rpm 01;31   
.jar 01;31   
.dmg 01;31
　　# image formats   
.jpg 01;35   
.png 01;35   
.gif 01;35   
.bmp 01;35   
.ppm 01;35   
.tga 01;35   
.xbm 01;35   
.xpm 01;35   
.tif 01;35   
.png 01;35   
.mpg 01;35   
.avi 01;35   
.fli 01;35   
.gl 01;35   
.dl 01;35
　　# source code files   
.pl 00;33   
.PL 00;33   
.pm 00;33   
.tt 00;33   
.yml 00;33   
.sql 00;33   
.html 00;33   
.css 00;33   
.js 00;33   
  
Finally, all you need to do is close and re-open the Terminal. Now we should be sorted. :)
　　
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