使用case语句给字体改变颜色                        

#!/bin/bashcolor(){RED_COLOR='\E[1;31m'GREEN_COLOR='\E[1;32m'YELLOW_COLOR='\E[1;33m'BLUE_COLOR='\E[1;34m'PINK_COLOR='\E[1;35m'RES='\E[0m'if [ $# -ne 2 ];then        echo "Usage $0 content {red|yellow|blue|green}"        exitficase "$2" in         red|RED)                echo -e "${RED_COLOR}$1${RES}"                ;;        yellow|YELLOW)                echo -e "${YELLOW_COLOR}$1${RES}"                ;;        green|GREEN)                echo -e "${GREEN_COLOR}$1${RES}"                ;;        blue|BLUE)                echo -e "${BLUE_COLOR}$1${RES}"                ;;        pink|PINK)                echo -e "${PINK_COLOR}$1${RES}"                ;;        *)                echo -e "${PINK_COLOR}$1${RES}"esac}color haha redcolor haha yellowcolor haha greencolor haha bluecolor haha pinkcolor haha feaf