Color Commands for Shell Scripting (Bash)

Bash Color Commands

#!/bin/sh

# Here are a set of color commands for
# your shell scripts.

#----------------Colors------------------
#Black        0;30     Dark Gray     1;30
#Blue         0;34     Light Blue    1;34
#Green        0;32     Light Green   1;32
#Cyan         0;36     Light Cyan    1;36
#Red          0;31     Light Red     1;31
#Purple       0;35     Light Purple  1;35
#Brown/Orange 0;33     Yellow        1;33
#Light Gray   0;37     White         1;37
#No Color     0
#----------------------------------------

# Assgin a color to a variable
# -e tells terminal to enable color coding

#------------Usage-----------------------
# ALL OS's
red='\033[0;31m'
NC='\033[0m' # Always close with No Color
echo -e "${red}Hello, World${NC}"

# Optional os specific implementations

# Linux only
red='\e[0;31m'
NC='\e[0m' #Always close with No Color
echo -e "${red}Hello, World${NC}"

# Mac OS X only
red='\x1b[0;31m'
NC='\x1b[0m' #Always close with No Color
echo -e "${red}Hello, World${NC}"
#----------------------------------------

# Note
# Always close with " \x1b[0m " which resets the 
# color back to no color. If you don't, the users
# terminal will stay with the last color assigned.

# The following would turn everything red.
# Including the following command line prompt --
red='\033[0;31m'
echo -e "${red}OMG Everything is red..."