Код:

@echo off
for /f "delims=(" %%f in ('dir /b "*(1).jpg"') do (
set "$num="
for /f "delims=" %%n in ('dir /b "%%f(*).jpg"') do (call set "$num=%%$num%%,%%n")
call I_view32.exe "/multitif=(%%f.tif%%$num%%)" /killmesoftly
del "%%f(*).jpg" /q
)
* без ^