fix: coding style and file format for chapter 11, 12, 13, 14 and 15.

eBook/exercises/chapter_12/read_csv.go

@@ -1,67 +1,68 @@
-// read_csv.go
-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)
-	}
-}
-/* Output:
-We have read the following books from the file: 
-{"The ABC of Go" 25.5 1500}
-{"Functional Programming with Go" 56 280}
-{"Go for It" 45.900001525878906 356}
-*/
+// read_csv.go
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"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)
+	}
+}
+
+/* Output:
+We have read the following books from the file:
+{"The ABC of Go" 25.5 1500}
+{"Functional Programming with Go" 56 280}
+{"Go for It" 45.900001525878906 356}
+*/