Linux下expect、case格式

                       expect
 expect << EOF
	spawn virsh console $virname  #spawn執行命令或程序
	expect " 換碼符爲 ^]"    {send "\r"}
	expect "login:"  {send "root\r"}
	expect "Password:"  {send "a\r"}
	expect "#"  {send "LANG=C\r"}
	expect "#"  {send "growpart /dev/vda 1\r"}
	expect "#"  {send "xfs_growfs /\r"}
	expect "#"    {send "exit\r"}	
EOF

                       case
while :
do
menu  #自己定義的函數
read -p "請選擇標號:" number
case $number in
 1)
	create_virtual
	;;
2)
	mod_disk
	;;
3)
	exit
	;;
*)
	echo -e '\033[31msorry!!\033[0m'
	;;
esac
done