if (Input::hasFile('file')) {
            ini_set('memory_limit', '1024M');
            $f = Input::file('file');
            $bulkdata = [];
            $handle = fopen("$f", "r") or die("Couldn't get handle");
            if ($handle) {
                $i = 1;
                while (!feof($handle)) {
                    $buffer = fgets($handle);
                    if ($buffer[0] != '#') {
                        $carry1 = preg_split("~\s+~", $buffer);
                         /*echo '<pre>';
                         print_r(sizeof($carry1));*/
                        if (sizeof($carry1) == 5) {
                            $data = [
                                'user_id' => Auth::id(),
                                'snp' => $carry1[0],
                                'chromosome' => $carry1[1],
                                'position' => $carry1[2],
                                'genotype' => $carry1[3],
                                "created_at"=> Carbon::now(),
                                "updated_at"=> Carbon::now()
                            ];
                            $i++;
                            array_push($bulkdata, $data);
                        }
                    }

                }
                /* echo '<pre>';
                 print_r($bulkdata);*/
                fclose($handle);
                $insert_data = collect($bulkdata); // Make a collection to use the chunk method
                $chunks = $insert_data->chunk(1000);
                foreach ($chunks as $chunk) {
                   Dnaupload::insert($chunk->toArray());
                }