local *IN;
open(IN, "/var/tmp/myfile.dat") or die "Can't read /var/tmp/myfile.dat: $! \n";

binmode(IN);

my $buf_e = '';
my $buf_d = '';

my $BLOCK_SIZE = 8192;
my @recs;

# Shove the contents of file into an array

while (sysread(IN, $buf_e, $BLOCK_SIZE, length($buf_e))) {

   push(@recs, [ $1, $2, $3, $4, $5, $6, $7, $8 ])
      while ($buf_d =~ s/^(\S+)\t+(\S+)\t+(\S+)\t+(\S+)\t+(\S+)\t+(\S+)\t+(\S+)\t+(\S+)\n//s);

}

close(IN);

print @recs;