Linux Shell 交互式脚本，用户可以从中选择一值

1.case语句控制流#！/bin/shecho "please input number 1 to 3"read numbercase $number in1) echo "you input 1" ;;2|3) echo "you input 2 or 3" ;;*) echo "error! the number you input isn't 1 to 3" ;;esac按顺序执行，若匹配不到前面的1,2,3，到匹配到*则输出相应信息2. select语句控制
select var in ... ; do
break done $var

#!/bin/sh
echo "What is your favourite firuit?"
echo "1) Apple"
echo "2) Orange"
echo "3) Banana"
read number
case $number in
1)echo "your favourite firuit is Apple."
;;
2)echo "your favourite firuit is Orange."
;;
3)echo "your favourite firuit is Banana."
;;
esac

#！/bin/sh
echo "What is your favourite firuit?"
select var in "Apple" "Orange" "Banana";do
break
done
echo "your favourite firuit is $var."

执行以上脚本，均可实现下面交互式功能What is your favourite firuit?1) Apple2) Orange3) Banana#? 1your favourite firuit is Apple.

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