Salve isso como um arquivo em lotes e execute-o
echo user >> ftpcommands.txt
echo myusername>> ftpcommands.txt
echo mypassword>> ftpcommands.txt
echo get file1>> ftpcommands.txt
echo get file2>> ftpcommands.txt
echo quit >> ftpcommands.txt
ftp -n -s:ftpcommands.txt ftp.example.com
del ftpcommands.txt