use Date::Parse;
my %sort_hash;

my $line = "01/14/2014 23:44:12 <data1> <data2>";
my ( $datestr, $timestr, @rest_of_string ) = split ( /\s+/, $line );
my $unix_time = str2time ( $datestr . " " . $timestr );
print $unix_time,"\n";

$sort_hash{$unix_time} = join ( " ", @rest_of_string );