questions.go: make quiz questions file a parameter

modules/quiz.go

@@ -4,6 +4,7 @@ package modules
 
 import (
 	"bufio"
+	"flag"
 	"fmt"
 	"math/rand"
 	"os"
@@ -20,6 +21,7 @@ type quizQuestion struct {
 }
 
 var (
+	quizQuestionsFile  = flag.String("quiz_questions_file", "questions.txt", "quiz: questions file")
 	quizCtrlCh         = make(chan string, 1024)
 	quizAnswerCh       = make(chan *Message, 1024)
 	quizQuestions      []quizQuestion
@@ -67,7 +69,7 @@ func quiz() {
 }
 
 func quizRun() {
-	quizQuestions = quizLoadQuestions("questions.txt")
+	quizQuestions = quizLoadQuestions(*quizQuestionsFile)
 	ranklist := make(map[string]int)
 	SayCh <- fmt.Sprintf("%s\nQuiz gestartet.", "*")
 	for {