arduino remote flash

@echo off
set FWFILE=Marlin.ino.mega.hex
set USER=pi
set PASSWORD=raspberry
set USB=/dev/ttyUSB0
set HOST=k200
echo cd /tmp >transfer.scr
echo put %FWFILE%>>transfer.scr
echo quit>>transfer.scr
"C:\Program Files (x86)\PuTTY\psftp.exe" +l %USER% -pw %PASSWORD% -b transfer.scr %HOST%
"C:\Program Files (x86)\PuTTY\plink.exe" -l %USER% -pw %PASSWORD% %HOST% /usr/bin/avrdude -C/etc/avrdude.conf -v -patmega2560 -cwiring -P%USB%  -b115200 -D -Uflash:w: %FWFILE%:i