shell中颜色设置

出入任意字符串，使其变成想要的颜色：

#!/bin/shplus_color(){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 "usage $0:content {red|yellow|blue|green}"esac}plus_color "I" redplus_color "am" yellowplus_color "you" blue