if (!-e $request_filename) {
}
What does the -e mean here? Can this master explain it?
即使是小小的人物，也有他自己精彩的故事
-e and !-e are used to determine whether a file or directory exists.
Search if (!-e $request_filename) This can find what you need
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
-e and !-e are used to determine whether a file or directory exists.
Search if (!-e $request_filename) This can find what you need