Speaks the names of people detected from facebox (Machine Box)

speaker.go

package main

import (
	"encoding/json"
	"log"
	"os"
	"os/exec"
)

type result struct {
	Faces []Face
}

type Face struct {
	Name string
}

func main() {
	var r result
	err := json.NewDecoder(os.Stdin).Decode(&r)
	if err != nil {
		log.Fatalln(err)
	}
	for _, face := range r.Faces {
		if len(face.Name) > 0 {
			say(face.Name)
		}
	}
}

func say(name string) {
	err := exec.Command("say", "hello "+name).Run()
	if err != nil {
		log.Println("say:", err)
	}
}