Reading and parsing JSON from a file in Go

gistfile1.go

package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
)

file, err := ioutil.ReadFile("file.json")
if err != nil {
	log.Fatalf("Could not file: %v", err)
}

var v interface{}
if err := json.Unmarshal(file, &v); err != nil {
	log.Fatalf("Error parsing JSON: %v", err)
}