APPE FTP command not implemented

[ghost]

Describe the bug
APPE FTP command not implemented.

To Reproduce
Steps to reproduce the behavior:
Log on FTP
Execute :

APPE
[R] 502 Command not implemented.

DrFTPD

• DrFTPD version [4.0.1]

Additional context

From servu-u :

APPE FTP command
A client issue the APPE command after successfully establishing a data connection when it wishes to upload data to the server. The client provides the file name it wishes to use for the upload. If the file already exists on the server, the data is appended to the existing file. If the file does not exist, it is created.

Common responses:

110, 125, 150
226, 250
421, 425, 426, 450, 451
500, 501, 502, 530, 534, 535, 551, 552

https://www.serv-u.com/resource/tutorial/appe-stor-stou-retr-list-mlsd-mlst-ftp-command

[hrxcodes]

I don't see a usecase for this in drftpd. My suggestion is removing the TODO comments and obsolete commented code.
I'm guessing most of the users are running zipscript anyways, so the file would be invalidated and removed if left incomplete. So there would not be a chance to APPEND to it before it's deleted by zipscript