echo open ip>1.txt
echo username>>1.txt
echo password>>1.txt
echo ls>>1.txt
echo bye>>1.txt
ftp -s:1.txt>1.log
findstr /b /e /c:"donghua" 1.log>2.txt && goto :cd
goto :eof
:cd
for /f "delims=" %%i in (2.txt) do set fdname=%%i
echo open ip>1.txt
echo username>>1.txt
echo password>>1.txt
echo cd %fdname%>>1.txt
ftp -s:1.txt |
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