my $epochrun = $epochend - $epochstart;
my $days = int($epochrun / 86400);
$epochrun -= ($days * 86400);
my $hours = int($epochrun / 3600);
$epochrun -= ($hours * 3600);
my $minutes = int($epochrun / 60);
my $seconds = $epochrun % 60;

$days = $days .'d ';
$hours = $hours .'h ';
$minutes = $minutes .'m ';
$epochrun = $days . $hours . $minutes . $seconds . 's';