// Create a single directory on remote server func mkone(ns *g9pc.Ns, fname string) { file, err := ns.Create(fname, g9p.OREAD, 0777|g9p.DMDIR) if err != nil { fmt.Fprintf(os.Stderr, "error creating directory %s: %s\n", fname, err) return } file.Close() }
// Write the string s to remote file f. Create f if it doesn't exist func writeone(ns *g9pc.Ns, fname, s string) { file, err := ns.Open(fname, g9p.OWRITE|g9p.OTRUNC) if err != nil { file, err = ns.Create(fname, g9p.OWRITE, 0666) if err != nil { fmt.Fprintf(os.Stderr, "error opening %s: %v\n", fname, err) return } } defer file.Close() m, err := file.Write([]byte(s)) if err != nil { fmt.Fprintf(os.Stderr, "error writing to %s: %s\n", fname, err) return } if m != len(s) { fmt.Fprintf(os.Stderr, "short write %s\n", fname) return } }
// Copy a local file to remote server func cmdput(ns *g9pc.Ns, s []string) { var from, to string switch len(s) { case 1: _, to = path.Split(s[0]) to = normpath(to) from = s[0] case 2: from, to = s[0], normpath(s[1]) default: fmt.Fprintf(os.Stderr, "incorrect arguments; usage: put local [remote]\n") } fromfile, err := os.Open(from) if err != nil { fmt.Fprintf(os.Stderr, "error opening %s for reading: %s\n", from, err) return } defer fromfile.Close() file, err := ns.Open(to, g9p.OWRITE|g9p.OTRUNC) if err != nil { file, err = ns.Create(to, g9p.OWRITE, 0666) if err != nil { fmt.Fprintf(os.Stderr, "error opening %s for writing: %s\n", to, err) return } } fmt.Fprintf(os.Stderr, "opened file ok\n") defer file.Close() n, err := Copy(file, fromfile) if err != nil { fmt.Fprintf(os.Stderr, "error copying file: %v (%d bytes copied)\n", err, n) } fmt.Fprintf(os.Stderr, "copied %d bytes\n", n) }