$Bill Luebkert <> wrote:
> Mittal, Manish wrote:
>
>> The timestap format is YYYY-DD-MM_HH:MM:SS
>
> Next time you'll need to make your own attempt :
>
> use strict;
> use warnings;
> use Time::Local;
>
> my $date1 = ;
> my $date2 = '2005-06-06_01:02:03';
>
> my $e1 = date2epoch ($date1);
> my $e2 = date2epoch ($date2);
>
> my $diff = $e2 - $e1;
>
> # you can format the difference any way you like or just use the
> value printf "diff: %u days, %u seconds\n", $diff / 86400, $diff %
> 86400; exit;
>
> sub date2epoch {
> my $date = shift;
>
> my @d = ();
> push @d, substr $date, 0, 4; # using substr is probably fdastest
> method
> push @d, substr $date, 5, 2;
> push @d, substr $date, 8, 2;
> push @d, substr $date, 11, 2;
> push @d, substr $date, 14, 2;
> push @d, substr $date, 17, 2;
Whether that is faster than "my @d = split /[-_:]/, $date;" I shall
leave up to Benchmark :)
> return timelocal $d[5], $d[4], $d[3], $d[2], $d[1] - 1, $d[0] - 1900;
>
> }
If it really is a UTC time, then it might be better to call timegm
rather than timelocal.
HTH
--
Brian Raven
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