Go – How to get the numeric effective user id of the caller in go

Here, We will learn how to get the numeric effective user id of the caller in go. We can do it by using Geteuid() function in os package in go golang.

Function prototype:

func Geteuid() int

Return value:

Geteuid() function in os package returns 
the numeric effective user id of the caller.

Example with code:

package main

import "fmt"
import "os"


func main() {

  pid := os.Geteuid()

  fmt.Println(pid)

}

Output:

501

To learn more about golang, Please refer given below link:

https://techieindoor.com/go-lang-tutorial/

References:

https://golang.org/doc/
https://golang.org/pkg/