[#1/feature] Add the basic source app

> current branch: master, issue link: #1
src/main.go

src/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+ "flag"
+ "fmt"
+)
+
+func main() {
+ var (
+ name string
+ phone string
+ )
+
+ // https://gobyexample.com/command-line-flags
+ // numbPtr := flag.Int("numb", 42, "an int")
+ // boolPtr := flag.Bool("fork", false, "a bool")
+ // fmt.Println("fork:", *boolPtr)
+ // fmt.Println("numb:", *numbPtr)
+
+ nameArgument := flag.String("name", "", "a string var")
+ phoneArgument := flag.String("phone", "", "a string var")
+ flag.Parse()
+ // fmt.Println("tail:", flag.Args())
+
+ name = *nameArgument
+ phone = *phoneArgument
+
+ fmt.Println("> Name")
+ if len(name) == 0 {
+ _, err := fmt.Scanln(&name)
+ if err != nil {
+ fmt.Println(err)
+ }
+ for name == "" {
+ fmt.Println("Name is required")
+ _, err := fmt.Scanln(&name)
+ if err != nil {
+ fmt.Println(err)
+ }
+ }
+ }
+
+ fmt.Println("> Phone")
+ if len(phone) == 0 {
+ _, err := fmt.Scanln(&phone)
+ if err != nil {
+ fmt.Println(err)
+ }
+ }
+
+ fmt.Println("> Processing...")
+
+ fmt.Printf("Confirm %s e %s\n\n", name, phone)
+}