You may have read this:
http://www.levelextreme.com/Magazine/November2001/Page20.asp

>I ‘m using the VFP 5. + FTP Service Class
>And I need a little help cause I have limited experience with DLL
>I need to append to a file on the FTP server
>I was doing this with a .bat file and the RUN mybat.bat command
>
>

>@echo off
>c:
>cd \ASN
>ftp
>open 999.999.999.999
>myuser
>mypasswo
>cd ocum
>append test test
>bye
>

>
>This approach work but there is the DOS window opening and closing in run time
>To avoid this I like to use the FTP service class but it has no function for appending a file.
>I don’t know all the functions available on WinINet.DLL
>I understand that some of the syntax goes like
>

>DECLARE Integer InternetGetLastResponseInfo IN WinInet ;
>	Integer @nError, String @lpcBuffer, Integer @nMax_Path
>

>
>But how do I declare an append function?