sub library_todayis {
 my $time=shift || time();
 my @months=qw!Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec!;
 my ($sec,$min,$hour,$day,$mon,$year)=localtime($time);
 $year+=1900;$mon++;
 return sprintf("%02d $months[$mon] $year %02d:%02d",$day,$hour,$min);
}