@ECHO OFF
IF "%1"=="" GOTO HOWTO
IF NOT EXIST %1.TIF GOTO NOFILE
TIF2GROB -b -t0.10 %1.TIF %11.GRO
TIF2GROB -b -t0.15 %1.TIF %12.GRO
TIF2GROB -b -t0.20 %1.TIF %13.GRO
TIF2GROB -b -t0.25 %1.TIF %14.GRO
TIF2GROB -b -t0.30 %1.TIF %15.GRO
TIF2GROB -b -t0.40 %1.TIF %16.GRO
TIF2GROB -b -t0.50 %1.TIF %17.GRO
TIF2GROB -b -t0.60 %1.TIF %18.GRO
TIF2GROB -b -t0.70 %1.TIF %19.GRO
GOTO DONE

:HOWTO
ECHO MG, by Erick Hammersmark
ECHO Usage: "MG FILENAME"
ECHO Do not include the .TIF extension when specifying "FILENAME".
ECHO. 
GOTO DONE

:NOFILE
ECHO File not found: %1.TIF
ECHO.
GOTO DONE

:DONE