fmt.Fprintf(os.Stderr, "Usage: %s list FILE\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s read FILE CHUNK > data\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s write FILE ... > data\n", os.Args[0])
fmt.Fprintf(os.Stderr, "Usage: %s list FILE\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s read FILE CHUNK > data\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s write FILE ... > data\n", os.Args[0])