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( [id://3333]=superdoc: print w/replies, xml ) Need Help??
without using any module...
#!/usr/bin/perl use strict; use warnings; sub time_to_str { my ($sec, $min, $hour, $mday, $mon, $year) = localtime(shift); return sprintf "%04d%02d%02d%02d%02d%02d", $year+1900, $mon+1, $mday +, $hour, $min, $sec; } sub find_time { my $tstr = shift; my $max = 2**31; my $min = 0; while ($max != $min) { my $mid = int (($max + $min) / 2); my $midstr = time_to_str $mid; if ($tstr gt $midstr) { $min = $mid + 1; } else { $max = $mid; } } return $max; } sub add_seconds { my ($timestr, $seconds) = @_; my $time = find_time $timestr; return time_to_str($time + $seconds) } while (<DATA>) { next if /^\s*(?:#.*)?$/; my ($date, $seconds) = split; printf "%s + %ds = %s\n", $date, $seconds, add_seconds($date, $secon +ds); } __DATA__ # YYYYMMDDhhmmss seconds 20060413020000 900 20060413024500 900 20061231235700 900

In reply to Re: getting Date calculation in simpler way by salva
in thread getting Date calculation in simpler way by jesuashok

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