func fileCmd(out *redeo.Responder, req *redeo.Request) error {
if len(req.Args) != 1 {
return req.WrongNumberOfArgs()
}
file, err := root.Open(path.Clean(req.Args[0]))
if err != nil {
return err
}
stat, err := file.Stat()
if err != nil {
return err
}
out.WriteN(file, stat.Size())
return nil
}