如果文件存在且不是空的。总是给我错误的值

I have a bash script:

我有一个bash脚本:

 echo " enter file name "
 read $file
 if [ -f "$file" ] && [ -s "$file" ]
 then 
    echo " file does not exist, or is empty "
 else
    echo " file exists and is not empty "
 fi
 echo " e