+GUI=0
+HELP=0
+DEBUG=0
+for RAWARG in "${@}"; do
+ ARG="${RAWARG%%=*}"
+ case "${ARG}" in
+ --headless|--output|--image|--structureimage)
+ HEADLESS=1
+ ;;
+ --help|--help-*|--version|-h)
+ HELP=1
+ ;;
+ --gui)
+ GUI=1
+ ;;
+ --debug)
+ DEBUG=1
+ ;;
+ esac
+
+ if [ "${HELP}" = 1 ]; then
+ # --help takes precedence