update_bar ${count} "adding ${partial}"
${mhdImageMerger} -t 0 -i "${partial}" -j "${merged}" -o "${merged}" 2> /dev/null > /dev/null || warning "error while calling ${mhdImageMerger}"
update_bar ${count} "adding ${partial}"
${mhdImageMerger} -t 0 -i "${partial}" -j "${merged}" -o "${merged}" 2> /dev/null > /dev/null || warning "error while calling ${mhdImageMerger}"