/usr/share/doc/protobuf-compiler/examples/list_people.go is in protobuf-compiler 3.0.0-9.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | package main
import (
"fmt"
"io"
"io/ioutil"
"log"
"os"
"github.com/golang/protobuf/proto"
pb "github.com/google/protobuf/examples/tutorial"
)
func writePerson(w io.Writer, p *pb.Person) {
fmt.Fprintln(w, "Person ID:", p.Id)
fmt.Fprintln(w, " Name:", p.Name)
if p.Email != "" {
fmt.Fprintln(w, " E-mail address:", p.Email)
}
for _, pn := range p.Phones {
switch pn.Type {
case pb.Person_MOBILE:
fmt.Fprint(w, " Mobile phone #: ")
case pb.Person_HOME:
fmt.Fprint(w, " Home phone #: ")
case pb.Person_WORK:
fmt.Fprint(w, " Work phone #: ")
}
fmt.Fprintln(w, pn.Number)
}
}
func listPeople(w io.Writer, book *pb.AddressBook) {
for _, p := range book.People {
writePerson(w, p)
}
}
// Main reads the entire address book from a file and prints all the
// information inside.
func main() {
if len(os.Args) != 2 {
log.Fatalf("Usage: %s ADDRESS_BOOK_FILE\n", os.Args[0])
}
fname := os.Args[1]
// [START unmarshal_proto]
// Read the existing address book.
in, err := ioutil.ReadFile(fname)
if err != nil {
log.Fatalln("Error reading file:", err)
}
book := &pb.AddressBook{}
if err := proto.Unmarshal(in, book); err != nil {
log.Fatalln("Failed to parse address book:", err)
}
// [END unmarshal_proto]
listPeople(os.Stdout, book)
}
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