--- /dev/null
+#!/bin/bash
+#usage op_shutdown.sh time in seconds
+xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
+time=$1
+if [ x$time = "x" ]; then
+ time=30
+fi
+countdown () {
+ for i in $(seq $time); do
+ percentage=$(echo $i $time | awk '{ printf("%f\n", $1/$2*100) }')
+ echo $percentage
+ remain=$(echo $time $i | awk '{ printf("%d\n", $1-$2) }')
+ echo "# Low power, shutdown in $remain"
+ sleep 1
+ done
+}
+countdown | su -c 'DISPLAY=:0.0 zenity --progress --auto-close --text "Shutdown" --title "Shutdown"' $xfceuser
+if [ $? -eq 0 ]; then
+ shutdown -h now
+else
+ su -c 'DISPLAY=:0.0 zenity --error --text "`printf "Shutdown aborted! \n
+Please plug in the charger ASAP or shutdown manually, the System will crash in a few minutes"`"' $xfceuser
+fi