$mins = $args[0]
$start=$(get-date);$diff=$(get-date)-$start
$total=new-object TimeSpan -argumentList 0,$mins,0
while ($diff -lt $total) {
	write-progress -activity $diff -PercentComplete (($diff.TotalSeconds/$total.TotalSeconds)*100) -Status "Work!"
	sleep 1
	$diff=$(get-date)-$start
}
get-date