github.com/rck/u-root@v0.0.0-20180106144920-7eb602e381bb/cmds/printenv/printenv.go (about) 1 // Copyright 2014-2017 the u-root Authors. All rights reserved 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Print environment variables. 6 // 7 // Synopsis: 8 // printenv 9 package main 10 11 import ( 12 "fmt" 13 "io" 14 "os" 15 ) 16 17 func printenv(w io.Writer) { 18 e := os.Environ() 19 20 for _, v := range e { 21 fmt.Fprintf(w, "%v\n", v) 22 } 23 } 24 25 func main() { 26 printenv(os.Stdout) 27 }