颜色词

#!/bin/bash
red_color='E[1;31m'
green_color='E[1;32m'
yellow='E[1;33m'
blue='E[1;34m'
pink='E[1;35m'
res='E[0m'
echo -e "${red_color}===red color===${res}"
echo -e "${yellow} ===== yellow color=====${res}"
echo -e  "${blue}====blue color===${res}"
echo -e "${pink}the fruit is betatufile ${res}"
echo -e "the sky is ${green_color}green${res}"