foreach ( @directories_time_tagged )
{
  
  $directory_name = $_;

  if ($directory_name =~ /(\d\d\d\d)_(\d\d)_(\d\d)_(\d\d)/) {  # Year_month_day_hour
	    
    $year = $1;
    $month = $2;
    $day = $3;
    $hour = $4;
	    
  }
	
  my $date_time =     ;  # The time indicated by $year $month $day $hour
  my $now =           ;  # Not sure how to get this value


  if ($date_time => $now )   # If the date has been passed
    {
      print "\nconditions have been met\n";