[flinx]

S.a. geposteten Link! So ca.

for /f "tokens=1-2 delims=:/ " %%i in ('time /t') do set zeit=%%i%%j
for /f "tokens=2-4 delims=./ " %%i in ('date /t') do set dat=%%k%%j%%i
echo hugo>"mylog_%zeit%_%dat%.log"