晗哥分享的脚本

开头放脚本https://mp.weixin.qq.com/s/A3z0E8bZaE4gi6VYASEzmQ
定义一个可以输出颜色的函数，主要是我把调用函数给忘了
vi color.sh

function echo_color() {
    if [ $1 == "green" ]; then
        echo -e "\033[32;40m$2\033[0m"
    elif [ $1 == "red" ]; then
        echo -e "\033[31;40m$2\033[0m"
    fi
}
echo_color green "hello world"

sh color.sh 然后输出的带有绿色的hello world