package model import ( "io" "os" ) func fileToByteGeneric(f *os.File) ([]byte, error) { defer f.Close() if _, err := f.Seek(0, 0); err != nil { return nil, err } var s int64 if fi, err := f.Stat(); err != nil { return nil, err } else { s = fi.Size() } c := make([]byte, s) if _, err := io.ReadFull(f, c); err != nil { return nil, err } return c, nil }