github.com/u-root/u-root@v7.0.1-0.20200915234505-ad7babab0a8e+incompatible/cmds/core/id/id_plan9.go (about)

     1  // Copyright 2017-2018 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  // +build plan9
     6  
     7  package main
     8  
     9  import (
    10  	"fmt"
    11  	"io/ioutil"
    12  	"log"
    13  	"os"
    14  )
    15  
    16  func main() {
    17  	if len(os.Args) != 1 {
    18  		log.Fatalf("Usage: id")
    19  	}
    20  	id, err := ioutil.ReadFile("/env/user")
    21  	if err != nil {
    22  		log.Fatal(err)
    23  	}
    24  	fmt.Println(string(id))
    25  }