182     # screensaver stuff
183     setterm_args=""
184     if [ "$BLANK_TIME" ]; then
185         setterm_args="$setterm_args -blank $BLANK_TIME"
186     fi
187     if [ "$BLANK_DPMS" ]; then
188         setterm_args="$setterm_args -powersave $BLANK_DPMS"
189     fi
190     if [ "$POWERDOWN_TIME" ]; then
191         setterm_args="$setterm_args -powerdown $POWERDOWN_TIME"
192     fi
193     if [ "$setterm_args" ]; then
194         setterm $setterm_args
195     fi
196