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Convert timestamp to Unixtime

/ Published in: Perl
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  1. sub convertTime {
  2.   #expects time in yyyy-mm-dd hh:mm:ss format
  3.   my( $time ) = shift;
  4.   my( $year, $month, $day, $hour, $minute, $sec ) = split( /\W/, $time );
  5.   my $oneday = 24 * 3600; #for convenience
  6.   my $utime = $sec + ($minute * 60) + ($hour * 3600); ## time in seconds on the day in question
  7.   $year -= 1970;
  8.   my @months = (31,28,31,30,31,30,31,31,30,31,30,31);
  9.   for (my $i=0; $i < ($month-1); $i++ ) {
  10.     $utime += ($months[$i] * $oneday);
  11.   }
  12.   $utime += ((($year - ($year%4))/4) * $oneday); ## take leap years into account
  13.   if( ($year%4)==0 && $month < 3 ) { $utime -= $oneday; }
  14.   $utime += (($day-1) * $oneday);
  15.   $utime += ($year * 365 * $oneday);
  16.   return $utime;
  17. }

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