Linux Shell 中与用户交互

 #!/bin/sh
 echo -n "Continue?(Y/N)"
 read ANSWER
 
 case $ANSWER in
     
     [Yy]*) 
     echo " you input is y or Y !"
     ;;
     [Nn]*) 
     echo " you input a "$ANSWER
     ;;
 esac
     echo "..."