shellifelsecase用法DEMO

#!/bin/bash

echo "請輸入：yes|no"

read command

if [ "$command" = "yes" ] || [ "$command" = "YES" ]; then

echo "yes..."

else

echo "no..."

fi

echo "請輸入條件：if|elif|else"

read condition

if [ "$condition" = "if" ] ; then

echo "----if----"

elif [ "$condition" = "elif" ]; then

echo "----elif----"

else

echo "----else----"

fi

echo "請輸入CASE:(A|B|C)";

read con

case $con in

A)

echo "AA";;

B)

echo "BB";;

C)

echo "C"

;;

*)

echo "請輸入:A|B|C"

exit 1;

esac

echo "done...";