case小练习
echo -e "\033[30m 黑色字 \033[0m"
echo -e "\033[31m 红色字 \033[0m"
echo -e "\033[32m 绿色字 \033[0m"
echo -e "\033[33m 黄色字 \033[0m"
echo -e "\033[34m 蓝色字 \033[0m"
echo -e "\033[35m 紫色字 \033[0m"
echo -e "\033[36m 天蓝字 \033[0m"
echo -e "\033[37m 白色字 \033[0m"
1.根据水果的颜色,来打印水果,并显示对应的水果颜色
[root@shnne ~]# cat fruit.sh
#!/bin/sh
RED_COLOR='\E[1;31m'
GREEN_COLOR='\E[1;32m'
YELLOW_COLOR='\E[1;33m'
PINK_COLOR='\E[1;35m'
RES='\E[0m'
menu(){
cat <<END
1.apple
2.pear
3.banana
4.cherry
5.quit
END
}
while true
do
echo "************"
menu
echo "************"
read -p "please input your choice:" fruit
case "$fruit" in
1)
echo -e "$RED_COLOR apple $RES"
;;
2)
echo -e "$GREEN_COLOR pear $RES"
;;
3)
echo -e "$YELLOW_COLOR banana $RES"
;;
4)
echo -e "$PINK_COLOR cherry $RES"
;;
5)
exit 0
;;
*)
echo "your choice has no fruit."
;;
esac
done2.设计一个指定内容加指定颜色的脚本
[root@shnne ~]# vim getcolor.sh
#!/bin/sh
RED_COLOR='\E[1;31m'
GREEN_COLOR='\E[1;32m'
YELLOW_COLOR='\E[1;33m'
BLUE_COLOR='\E[1;34m'
RES='\E[0m'
if [ $# -ne 2 ]
then
echo "USAGE:$0 {red|green|yellow|blue}"
exit 1
fi
case "$2" in
red|RED)
echo -e "$RED_COLOR $1 $RES"
;;
green|GREEN)
echo -e "$GREEN_COLOR $1 $RES"
;;
yellow|YELLOW)
echo -e "$YELLOW_COLOR $1 $RES"
;;
blue|BLUE)
echo -e "$BLUE_COLOR $1 $RES"
;;
*)
echo "no color "
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