.aliases: Detect which `ls` flavor is in use and use the appropriate flag for colorized output

Thanks to @divya for making me do this ;)

1 files changed, 12 insertions, 4 deletions

diff --git a/.aliases b/.aliases
index 3af2d70..01d6181 100644
--- a/.aliases
+++ b/.aliases
@@ -18,17 +18,25 @@ alias s="subl ."
 alias o="open"
 alias oo="open ."
 
+# Detect which `ls` flavor is in use
+tmp="$(ls --color 2>&1 > /dev/null | grep "illegal option")"
+if [ '' == "$tmp" ]; then # GNU `ls`
+	colorflag="--color"
+else # OS X `ls`
+	colorflag="-G"
+fi
+
 # List all files colorized in long format
-alias l="ls -l --color"
+alias l="ls -l ${colorflag}"
 
 # List all files colorized in long format, including dot files
-alias la="ls -la --color"
+alias la="ls -la ${colorflag}"
 
 # List only directories
-alias lsd='ls -l --color | grep "^d"'
+alias lsd='ls -l ${colorflag} | grep "^d"'
 
 # Always use color output for `ls`
-alias ls="command ls --color"
+alias ls="command ls ${colorflag}"
 export LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.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:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.ogg=01;35:*.mp3=01;35:*.wav=01;35:'
 
 # Enable aliases to be sudo’ed