GopherGymPart1.6.go

package main

import (
	"bufio"
	"encoding/csv"
	"fmt"
	"io"
	"log"
	"os"
	"strings"
)

type quizItem struct {
	question string
	answer   string
}

func main() {
	csvFile, err := os.Open("problems.csv")
	if err != nil {
		log.Fatal(err)
	}
	defer csvFile.Close()

	reader := csv.NewReader(csvFile)

	// Create an infinite loop to go through entire file
	for {
		// Read a single line
		record, err := reader.Read()

		// Stop the loop if we reach the end of the file
		// Else log any other error except nil 
		if err != nil {
			if err == io.EOF {
				break
			}
			log.Fatal(err)
		}

                // Create quiz item from record
		quizItem := quizItem{
			question: record[0],
			answer:   record[1],
		}

		// Print out the question.
		fmt.Println("Question: ", quizItem.question)

		// Create reader and allow user to input their answer.
		inputReader := bufio.NewReader(os.Stdin)
		fmt.Print("Enter your answer now: ")

		// Expect answer to be given once they hit return.
		text, err := inputReader.ReadString('\n')
		if err != nil {
			log.Fatal(err)
		}

		fmt.Println("Your answer is:", text)
		// Trim the newline suffix from the input.
		text = strings.TrimSuffix(text, "\n")

		// Compare the answer given by the user to the correct answer
		// Print a response accordingly.
		if text == quizItem.answer {
			fmt.Println("Correct!")
		} else {
			fmt.Println("WRONG! Answer is: ", quizItem.answer)
		}
	}
}