Shell输出带颜色字体

一. echo命令（-e 参数）
脚本内容：
root@ubuntu:/mail$ cat color.sh

#!/bin/bash
echo -e "\033[30m black \033[0m"
echo -e "\033[31m red \033[0m"
echo -e "\033[32m green \033[0m"
echo -e "\033[33m yellow \033[0m"
echo -e "\033[34m blue \033[0m"
echo -e "\033[35m purple \033[0m"
echo -e "\033[36m cyan \033[0m"
echo -e "\033[37m white \033[0m"

输出结果：

二. printf命令
root@ubuntu:/mail$ cat color.sh

#!/bin/bash
printf "\033[30m black \033[0m\n"
printf "\033[31m red \033[0m\n"
printf "\033[32m green \033[0m\n"
printf "\033[33m yellow \033[0m\n"
printf "\033[34m blue \033[0m\n"
printf "\033[35m purple \033[0m\n"
printf "\033[36m cyan \033[0m\n"
printf "\033[37m white \033[0m\n"

输出结果：

三. 脚本变量方式

#!/bin/bash
blackcolor='\E[1;30m'
redcolor='\E[1;31m'
greencolor='\E[1;32m'
yellowcolor='\E[1;33m'
bluecolor='\E[1;34m'
purplecolor='\E[1;35m'
cyancolor='\E[1;36m'
whitecolor='\E[1;37m'
echo -e "${blackcolor}black"
echo -e "${redcolor}red"
echo -e "${greencolor}green"
echo -e "${yellowcolor}yellow"
echo -e "${bluecolor}blue"
echo -e "${purplecolor}purple"
echo -e "${cyancolor}cyan"
echo -e "${whitecolor}white"

输出结果：