@title Error logging with redirects
@echo off
:: set is used to make the letter L = logfile.txt and can be called with %L%
set L=logfile.txt
:: call the LOG section of the script. 
call :LOG 


:LOG
echo Logged time = %time% %date% > %L% 2>&1
adb.exe devices >> %L% 2>&1
>> %L% 2>&1 echo App Install = Pass 
echo App Install = Pass >> %L% 2>&1
echo App Install = Pass >> %L% 2>&1
echo App Install = Pass >> %L% 2>&1
echo App Install = Pass >> %L% 2>&1
echo App Install = Pass >> %L% 2>&1
pause 
exit