ExpandEnv in Go

Posted by GoDoc
Public (Editable by Users)

ExpandEnv replaces ${var} or $var in the string according to the values of the current environment variables. References to undefined variables are replaced by the empty string.

Go
Edit 
package main

import (
	"fmt"
	"os"
)

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

	fmt.Println(os.ExpandEnv("$NAME lives in ${BURROW}."))
}