Apologies for the delay of code. My code is like
my $last_executed = $time_file . ".txt";
return 1 unless (-e $last_executed);
open(IN, '<' . $last_executed);
my $time = <IN>;
close(IN);
my $valid_time = $time;
return 1 if ( $valid_time !~ m/(\d{4})-(\d{2})-(\d{2})(?:T)?(\d{2}):(\
+d{2})/gi );
my ($year, $month, $day, $hour, $min) = $time =~ m#(\d{4})-(\d{2})-(\d
+{2})(?:T)?(\d{2}):(\d{2})#gi;
my $dt1 = DateTime->new ( year => $year, month => $month, day => $day,
+hour => $hour, minute => $min);
my $time2 = localtime->datetime;
my ($year2, $month2, $day2, $hour2, $min2) = $time2 =~ m#(\d{4})-(\d{2
+})-(\d{2})(?:T)?(\d{2}):(\d{2})#gi;
my $dt2 = DateTime->new ( year => $year2, month => $month2, day => $da
+y2,hour => $hour2, minute => $min2);