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on newer versions of FS, they require async functions to have a callback. since fs.close is an async it throws an error when you run the code. https://nodejs.org/api/fs.html#fs_fs_close_fd_callback
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On newer versions of FS, they require async functions to have a callback.
Since
fs.closeis an async, it throws an error when you run the code (and crashes everything).fs.close
fs.closeSync