@Echo off
if not Exist "%1" (
	Echo %1 is not exist.
	Exit /b 1
	)
if not Exist "%2" (
	Echo %2 is not exist.
	Exit /b 1
	)

SetLocal EnableDelayedExpansion

Set min=0
Set c=0
Set fg=0

for %%i in (*.dat) do (
	if "%%i" == "%1" Set fg=1
	if "!fg!" == "1" (
		Echo.
		Echo %%i
		LogReader.exe %%i temp
		Set /a min+=!ERRORLEVEL!
		Set /a c+=1
		Echo.
		)
	if "%%i"=="%2" goto End
	)

:End
Set /a hour=%min%/60
Set /a min-=%hour%*60
Echo.
Echo -------------------------
Echo 日数 %c%日
Echo 合計 %hour%時間 %min%分
Set /a min=(%min%+%hour%*60)/c
Set /a hour=%min%/60
Set /a min-=%hour%*60
Echo 平均 %hour%時間 %min%分

EndLocal