go fmt

main.go

@@ -1,12 +1,12 @@
 package main
 
 import (
+	"bufio"
 	"fmt"
 	"os"
-	"bufio"
 )
 
-func main(){
+func main() {
 	if len(os.Args) < 2 {
 		fmt.Fprintf(os.Stderr, "filename required\n")
 		os.Exit(1)