Upload files to FTP using batch file (ET)

Use the -s:filename switch of the ftp command to provide the filename that contains the ftp statements:

C:\>ftp -?

Transfers files to and from a computer running an FTP server service
(sometimes called a daemon). Ftp can be used interactively.

FTP [-v] [-d] [-i] [-n] [-g] [-s:filename] [-a] [-A] [-x:sendbuffer] [-r:recvbuffer] [-b:asyncbuffers] [-w:windowsize] [host]

  -v              Suppresses display of remote server responses.
  -n              Suppresses auto-login upon initial connection.
  -i              Turns off interactive prompting during multiple file
                  transfers.
  -d              Enables debugging.
  -g              Disables filename globbing (see GLOB command).
  -s:filename     Specifies a text file containing FTP commands; the
                  commands will automatically run after FTP starts.
  -a              Use any local interface when binding data connection.
  -A              login as anonymous.
  -x:send sockbuf Overrides the default SO_SNDBUF size of 8192.
  -r:recv sockbuf Overrides the default SO_RCVBUF size of 8192.
  -b:async count  Overrides the default async count of 3
  -w:windowsize   Overrides the default transfer buffer size of 65535.
  host            Specifies the host name or IP address of the remote
                  host to connect to.

Notes:
  - mget and mput commands take y/n/q for yes/no/quit.
  - Use Control-C to abort commands.

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I hope this helps.

Thank you that worked but what is this part of the script for?

REM ================================================================================
REM Only functions after this line!
REM ================================================================================
goto :eof
:ExportDataSection
REM *** Reads all lines listed in %1 (section) and writes them to %2 (file name).
REM *** Environment variables will be expanded.
set Section=%~1
set FileName=%~2
if exist "%FileName%" del "%FileName%"
for /f "tokens=1 delims=[]" %%a in ('type "%~f0" ^| C:\Windows\system32\find.exe /n "[%Section%]"') do set DataStart=%%a
for /f "skip=%DataStart% delims=" %%a in ('type "%~f0"') do (
	call :Expand Line "%%a"
	if "!Line:~0,1!"=="[" (goto :eof) else (>>"%FileName%" echo !Line!)
)
goto :eof

:Expand
set %1=%~2
goto :eof

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These are two functions that are required to build the ftp file from the section at the end.
ExportDataSection first finds the section line number in the script itself, then reads the script starting there,
The lines read will have any variables enclosed in "%" expanded - that's what the Expand function is for.
They're called with the "call :<Label>" (Lines 11 and 30) and will return at the "goto :eof".

Thanks! works perfectly