questions

#!/bin/bash
# auth: xiluhua
# date: 2017-01-15
 
while true
do 
        read -p ‘please input a film: ‘ film
        if [ -z $film ]
        then
                echo > /dev/null
        else
                if [ $film = ‘q‘ ]
                then 
                        exit
                fi
 
                if [ $film = ‘ironman‘ ]
                then
                        echo $film‘ is a good film!‘
                        exit 0;
                else
                        echo ‘this film is not good enough‘
                fi
        fi
done