Bash status message function.

gistfile1.sh

#! /bin/bash

# Copyright 2009-2013 Kevin Cox

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# This is a super simple script I made a long time ago to print a status message
# to the last line of a terminal.  The idea was to have "Starting X..." then
# add "[Success]" or "[FAIL]" to the end of the line.

getCursorPos()
{
	old_settings=$(stty -g)
	stty -icanon min 1 time 2 -echo
	printf '\e[6n'
	IFS='[;R'
	set -f
	set -- $(dd count=1 2> /dev/null)
	stty "$old_settings"

	LINE=$2
	COLUMN=$3
}

status ()
{
	case ${2,} in
		'black')	esc='\e[30';;
		'red')	esc='\e[31';;
		'green')	esc='\e[32';;
			'lime')	esc='\e[32;1';;
		'yellow')	esc='\e[33';;
		'blue')	esc='\e[34';;
		'purple')	esc='\e[35';;
		'cyan')	esc='\e[36';;
		'white')	esc='\e[37';;
		*)		esc='\e[0';;
	esac
	
	case ${3,} in
		'black')	esc="${esc};40m";;
		'red')	esc="${esc};41m";;
		'green')	esc="${esc};42m";;
		'yellow')	esc="${esc};43m";;
		'blue')	esc="${esc};44m";;
		'purple')	esc="${esc};45m";;
		'cyan')	esc="${esc};46m";;
		'white')	esc="${esc};47m";;
		*)		esc="${esc}m";;
	esac
	
	getCursorPos;
	
	COLS=$(tput cols)
	
	C=$(( $COLS - ${#1} -1 ))
	L=$(( $LINE - 1 ))
	
	echo -en "\e[${L};${C}f"
	
	echo -e "[$esc$1\e[0m]"
}


if (( "$#" > 0 ))
	then	status "$1" "$2"
fi