package main
import (
"bufio"
"fmt"
"log"
"io"
"os"
"strconv"
"strings"
)
type Book struct {
title string
price float64
quantity int
}
func main() {
bks := make([]Book, 1)
file, err := os.Open("products.txt")
if err != nil {
log.Fatalf("Error %s opening file products.txt: ", err)
}
defer file.Close()
reader := bufio.NewReader(file)
for {
// read one line from the file:
line, err := reader.ReadString('\n')
if err == io.EOF {
break
}
// remove \r and \n so 2 in Windows, in Linux only \n, so 1:
line = string(line[:len(line)-2])
//fmt.Printf("The input was: -%s-", line)
strSl := strings.Split(line, ";")
book := new(Book)
book.title = strSl[0]
book.price, err = strconv.ParseFloat(strSl[1], 32)
if err!=nil {
fmt.Printf("Error in file: %v", err)
}
//fmt.Printf("The quan was:-%s-", strSl[2])
book.quantity, err = strconv.Atoi(strSl[2])
if err!=nil {
fmt.Printf("Error in file: %v", err)
}
if bks[0].title == "" {
bks[0] = *book
} else {
bks = append(bks, *book)
}
}
fmt.Println("We have read the following books from the file: ")
for _, bk := range bks {
fmt.Println(bk)
}
}