Time::Duration is nice for this:

>perl -MTime::Duration -e "print duration_exact(1332443)"
15 days, 10 hours, 7 minutes, and 23 seconds
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But even nicer in that it will supress the least significant units for larger durations:

>perl -MTime::Duration -e "print duration(1332443)"
15 days and 10 hours
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If you'd rather do it yourself, you could avoid all the sprintfs with something like:

my $d  = int( $seconds / 86400 );
my $h  = int( ($seconds - $d*86400)           /  3600 );
my $m  = int( ($seconds - $d*86400 - $h*3600) /    60 );
my $s  = $seconds % 60;
print "$d days, $h hours, $m min, $s sec\n";
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and if you want to be neat you can always fix the pluralization with a few bits like my $day_string = $d > 1 ? 'days' : 'day';

--
I'd like to be able to assign to an luser