package daemon import ( "io" "github.com/docker/docker/engine" ) func (daemon *Daemon) ContainerCopy(job *engine.Job) engine.Status { if len(job.Args) != 2 { return job.Errorf("Usage: %s CONTAINER RESOURCE\n", job.Name) } var ( name = job.Args[0] resource = job.Args[1] ) if container := daemon.Get(name); container != nil { data, err := container.Copy(resource) if err != nil { return job.Error(err) } defer data.Close() if _, err := io.Copy(job.Stdout, data); err != nil { return job.Error(err) } return engine.StatusOK } return job.Errorf("No such container: %s", name) }