@echo off   
testfile %1 gif zip
if errorlevel == 98 goto end
if errorlevel == 2 goto zip
if errorlevel == 1 goto gif
goto end

:zip
zltest %1 c:\pcb\util\zltest.cfg LOCAL 
goto zdcs

:gif
giftest %1 /R:2 /T:1 
goto zdcs

:zdcs
c:\pcb\util\zdcs\zdcsfc %1 %2 
if not exist zdcs-del.lst goto end
pkzip -d %1 @zdcs-del.lst
goto end

:end