saveItAllD

#!/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
		(sync; echo 100) | zenity --progress --no-cancel --auto-close --pulsate --text='Please wait...\n(Do NOT power down your computer!)' --title="Saving data..."
		(p=0; while :; do echo $p; p=`expr $p + 20`; sleep 1s; done) | zenity --progress --auto-close --no-cancel --text='Data has been successfully saved!\n\nThis will close in 5 seconds.' --title='Data saved!'
	fi
done