#!/usr/bin/perl -w

use Time::HiRes qw(time);
use strict;

# using time from Time::HiRes to obtain fractions...
my $now = time; 
my ($secs, $fract) = ($now =~ /(\d+)\.(\d+)/);

# convert $secs to YYYYMMDDHHMMSS...
my ($sec, $min, $hr, $day, $mon, $yr) = (localtime($secs))[0,1,2,3,4,5];
my $new = sprintf "%04d%02d%02d%02d%02d%02d", $yr + 1900, $mon + 1, $day, $hr, $min, $sec;

# combine the fraction from Time::HiRes::time to $new...
print "Exact time is: $new$fract\n";