Linux/UNIX下终端和控制台实现彩色字体显示

#!/bin/bash
# wang_xiaoyu@qq.com
# 第一行不是必须
# . color.function 请运行前做这样的操作
color() {
COLOR_OK="33[0;32;40m"
# COLOR_OK="33[0;34;40m"
COLOR_RESET="33[0m"
USAGE="color "strings""
usage2="eg. color "Usage: color "strings"n""
usage3="eg. color ResetnThis is the way of reset CONSOLE! n"
if [ $# -lt 1 ]; then
# echo "$USAGE" >&2
                echo -e "Usage: $USAGE" >&2
                echo "$usage2" >&2
                (echo -en "${COLOR_OK}"; echo -ne "Usage: color "strings"n"; echo -ne "${COLOR_RESET}") >&2
                echo -en "$usage3" >&2
                return 1
elif [ "$1" = "Reset" ]; then
                echo -ne "${COLOR_RESET}"
                echo "reset sucessfully! "
                return 0
else
                echo -ne "${COLOR_OK}"; echo -ne $@;echo -ne "${COLOR_RESET}"
                return 0
fi
}