Reading & Setting Environment variables in Go

Use os.Getenv() and os.Setenv() for reading and setting environment variables.

Demo

package main

import (
	"fmt"
	"os"
)

func main() {
	os.Setenv("NAME", "gopher")

	fmt.Printf("My Desktop Environment : %s.\n", os.Getenv("XDG_CURRENT_DESKTOP"))
}