grotere buffer voor scanner

cmd/top20/top20.go

@@ -41,6 +41,7 @@ func main() {
 				fp, err := os.Open("../" + dirname + "/" + name)
 				x(err)
 				scanner := bufio.NewScanner(fp)
+				scanner.Buffer(nil, 1000000)
 				for scanner.Scan() {
 					seen[strings.Split(scanner.Text(), "\t")[1]] = true
 				}
@@ -55,6 +56,7 @@ func main() {
 	fpout, err := os.Create(target)
 	x(err)
 	scanner := bufio.NewScanner(fpin)
+	scanner.Buffer(nil, 1000000)
 	n := 0
 	for scanner.Scan() && n < 20 {
 		line := scanner.Text()