@echo off
rem Author: Carsten Jensen (Tomse)
rem Copyright (c) 2013-2018 http://retro-commodore.eu
rem Requires IrfanView installed in path (or fix path)

mkdir work\out\g4compressed
cd work\out
"c:\Program Files (x86)\IrfanView\i_view32.exe" .\*.tif /tifc=4 /convert=.\g4compressed\*.tif