Golang fmt.Scanf() function example

package fmt

Scanf scans text read from standard input, storing successive space-separated values into successive arguments as determined by the format. It returns the number of items successfully scanned.

Golang fmt.Scanf() function usage example

 package main

 import (
 "fmt"
 )

 func main() {
 var response int
 fmt.Println("This program will activate SkyNet worldwide, are you sure about this?\n")

 fmt.Scanf("%c", &response) //<--- here
 switch response {
 default:
 fmt.Println("SkyNet launch aborted!")
 case 'y':
 fmt.Println("SkyNet launched")
 case 'Y':
 fmt.Println("SkyNet launched")
 }
 }

Sample output :

This program will activate SkyNet worldwide, are you sure about this?

y

SkyNet launched

Reference :

http://golang.org/pkg/fmt/#Scanf