filetofile

install

go install github.com/zangdale/filetofile

build

go build .

use

go run . image.jpeg
or 
filetofile image.jpeg

export file

package main

import "encoding/base64"

var FileBodyBase64Str = "/9j/***********jIyMjIyMjIyMjIy"

var FileBodyByte, _ = base64.StdEncoding.DecodeString(FileBodyBase64)