Create main.go

Go-File-Handling/main.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type person struct {
+	First string
+	Last  string
+	Age   int
+}
+
+type readPerson struct {
+	First string
+	Last  string
+	Age   string
+}
+
+func main() {
+	WriteNames()
+
+	for _, v := range ReadNames() {
+		fmt.Printf("Firstname: %v\nLastname: %v\nAge: %v\n", v.First, v.Last, v.Age)
+	}
+}
+
+func WriteNames() {
+	p1 := person{
+		First: "Bob",
+		Last:  "S.",
+		Age:   20,
+	}
+
+	p2 := person{
+		First: "Boby",
+		Last:  "TS.",
+		Age:   22,
+	}
+
+	p3 := person{
+		First: "Boba",
+		Last:  "SS.",
+		Age:   23,
+	}
+
+	people := []person{p1, p2, p3}
+
+	file, err := os.Create("names.txt")
+	if err != nil {
+		fmt.Println(err)
+	}
+	defer file.Sync()
+	defer file.Close()
+
+	for i := 0; i < len(people); i++ {
+		fmt.Fprintf(file, "First: %v,Last: %v,Age: %v\n", people[i].First, people[i].Last, people[i].Age)
+	}
+}
+
+func ReadNames() []readPerson {
+	read, err := os.Open("names.txt")
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	scanner := bufio.NewScanner(read)
+	scanner.Split(bufio.ScanLines)
+	var arr []string
+
+	for scanner.Scan() {
+		arr = append(arr, scanner.Text())
+	}
+
+	read.Close()
+
+	xArr := []readPerson{}
+
+	for _, val := range arr {
+		split := strings.Split(val, ",")
+		firstName := strings.Replace(split[0], "First: ", "", -1)
+		lastName := strings.Replace(split[1], "Last: ", "", -1)
+		age := strings.Replace(split[2], "Age: ", "", -1)
+
+		n := readPerson{First: firstName, Last: lastName, Age: age}
+		xArr = append(xArr, n)
+	}
+
+	return xArr
+}