saveItAllD2

#!/bin/bash
INTERVAL="30m"

mutex() {
    local file=$1 pid pids 

    exec 9>>"$file"
    { pids=$(fuser -f "$file"); } 2>&- 9>&- 
    for pid in $pids; do
        [[ $pid = $$ ]] && continue

        exec 9>&- 
        return 1 # Locked by a pid.
    done 
}

mutex /tmp/saveItAllD.lock || { echo "saveItAllD is already running." >&2; exit 1; }

while :
do
	echo "Waiting $INTERVAL..."
	sleep $INTERVAL
	(x=0;while :; do x=`expr $x + 1`; echo $x; sleep 0.1s; done) | zenity --progress --auto-close --text="It has been $INTERVAL since you last saved your data.\nWe recommend that you save data now to prevent any possible data loss.\nData will automatically be saved in a few seconds.\n\nClick Cancel now if you do not wish to save data." --title="Save Data"
	if [ "$?" = "0" ]; then
		echo "Showing saving notification..."
		exec 3> >(zenity --notification --text='Saving, please wait... (Do NOT power down your computer!)' --title="Saving data..." 2>/dev/null)
		echo $! > /tmp/zen.pid
		sync
		kill `cat /tmp/zen.pid 2>/dev/null` 2>/dev/null
		rm -f /tmp/zen.pid

		sleep 5s
		
		echo "Showing completion notification..."
		exec 3> >(zenity --notification --text='Data has been successfully saved! This will close in 5 seconds.' --title='Data saved!' 2>/dev/null)
		echo $! > /tmp/zen.pid
		p=0
		while :; do
			echo "  => Closing in "`expr 5 - $p`" seconds..."
			p=`expr $p + 1`
			sleep 1s
			if [ "$p" = "6" ];then
				kill `cat /tmp/zen.pid 2>/dev/null` 2>/dev/null;
				break
			fi
		done
	fi
done