Listing 1: Using UNIX's Date.exe to Write Hourly Log Files
@echo off
goto Start

:Start
call :logIt Log this line to the log file.
goto :EOF

:logIt
call :getTimestamp
set logFile=test.%prefix%.log
>>%logFile% echo %timestamp%: %* USER: %username% APPLICATION: %~f0
goto :EOF

:getTimeStamp
BEGIN COMMENT
:: Replace the path with your path to date.exe.
:: The Windows For /F command requires
:: that you use only 8.3 short filename notation.
:: Avoid a space between %%j and & set prefix;
:: otherwise, you'll unintentionally append a space
:: to the timestamp.
END COMMENT
for /f "tokens=1,2,3*" %%i in ('c:\tools\etc\date.exe +"%%y-%%m-%%d %%H:%%M:%%S 
%%Y%%m%%d%%H"') do set timestamp=%%i %%j& set prefix=%%k
goto :EOF
BEGIN COMMENT
:: The previous command could also be written as
:: for /f "tokens=1,2,3*" %%i in ('c:\tools\etc\date.exe  
:: +"%%y-%%m-%%d  
:: %%H:%%M:%%S %%Y%%m%%d%%H"') do (    
::   set timestamp=%%i %%j
::   set prefix=%%k 
:: )
END COMMENT
:EOF