@thearray = (1, 4, 6)
my $line = <INFILE>;
my @column = split " ", $line;
@bigarray = (@array_1, @array_2, @array_3, @array_4,@array_5, @array_6);
foreach(my $i = 0; $i <= $#thearray; $i++)   {
  push @bigarray[$thearray[$i]], [$line, $column[$thearray[$i]];
}