Golang golang-input (snippet)

Go programming example 'golang-input'

golang-input

Golang beginners example: golang-input

package main

import (
    "bufio"
    "fmt"
    "os"
)

func main() {
    //arguments
    if 1 < len(os.Args) {
        fmt.Print(len(os.Args) - 1)
        fmt.Println(" arguments provided")
    }
    /*
        //Scanf to wait for an input
        fmt.Println("Enter a number")
        var i int
        _, err := fmt.Scanf("%d", &i)
        if err != nil {
            fmt.Println("not a number")
        } else {
            fmt.Print(i)
            fmt.Println(" is a number")
        }
    */
    //Stdin read buffer
    fmt.Println("Enter a string")
    bio := bufio.NewReader(os.Stdin)
    line, _, err := bio.ReadLine()
    if err != nil {
        fmt.Println(err)
    } else {
        //fmt.Println("you entered \"" + string(line) + "\"")
        for _, char := range string(line) {
            fmt.Println(char)
        }
    }
}

Useful links

• Learn Go: https://golangr.com
• Download Go: https://golang.org