if [ -f "../${2}_norm.tga" ] || [ -f "../${2}_norm.png" ] || [ -f "../${2}_norm.jpg" ]; then
case "$offsetmapping_match8" in
'') # no dpoffsetmapping keyword
if [ -f "../${2}_norm.tga" ] || [ -f "../${2}_norm.png" ] || [ -f "../${2}_norm.jpg" ]; then
case "$offsetmapping_match8" in
'') # no dpoffsetmapping keyword