Seonglae Cho동기식 함수 절대 서버에서 안쓰도록
버전별로 지원함수가 다양하게 다르다 특히 promise, rm 등
Node JS FS Notion
Node JS FS Usage
ENOENT, no such file or directory on fs.mkdirSync
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https://stackoverflow.com/questions/28498296/enoent-no-such-file-or-directory-on-fs-mkdirsync
Node.js | fs.close() Method - GeeksforGeeks
The fs.close() method is used to asynchronously close the given file descriptor thereby clearing the file that is associated with it. This will allow the file descriptor to be reused for other files. Calling fs.close() on a file descriptor while some other operation is being performed on it may lead to undefined behavior.
https://www.geeksforgeeks.org/node-js-fs-close-method/
