Not that I know of, but it is possible to create your own. Depends how much work you want to put into it. Here's a "very" simply example that can get you started.
A good response will start with "200". On the initial connection you may get multiple lines of text returned, depends on your server. Once you get a line that says "200" or "200 some text here" then you can send your other ftp commands to the server, such as the login. The space after the 200 is important if text follows it as other lines may also start with 200 followed by text, but those lines will have a dash after the 200, not a space. If you want to try to build an ftp client, it might be simpler at first to try in passive mode before attempting active only because I think that can help reduce the chance of things not working due to network configurations. Otherwise, if you're uncertain about your code and have issues, it may be difficult to determine if its code related or a network problem. (research the two modes to understand why)
Should you actually build a viable library, remember to encode your credentials in some manner otherwise a savvy person could get your ftp login from your application.
This'll connect to the server and display the response but that is all. This example does not handle the login process or establishing the data connection.
client = connectSocket("IP_address", 21, 3000)
do
if client > 0
if getSocketConnected(client) = 1
if GetSocketBytesAvailable(client) > 0
while getSocketBytesAvailable(client)
b = getSocketByte(client)
bytes.insert(b)
endwhile
endif
endif
endif
if bytes.length > 0
s$ = ""
for i = 0 to bytes.length-1
// Lines are terminated with 0d0a (carriage return followed by newline feed)
if bytes[i] = 13 and bytes[i+1] = 10
print(s$)
s$ = ""
inc i
else
s$ = s$ + chr(bytes[i])
endif
next i
endif
// close socket on ESC
if getrawkeypressed(27)
deleteSocket(client)
end
endif
sync()
loop