示例#1
0
文件: cl.go 项目: zxpbenson/rog-go
// Copy a remote file to local filesystem
func cmdget(ns *g9pc.Ns, s []string) {
	var from, to string
	switch len(s) {
	case 1:
		from, to = path.Split(path.Clean(s[0]))
	case 2:
		from, to = s[0], s[1]
	default:
		fmt.Fprintf(os.Stderr, "from arguments; usage: get from to\n")
	}

	tofile, err := os.Create(to)
	if err != nil {
		fmt.Fprintf(os.Stderr, "error opening %s for writing: %s\n", to, err)
		return
	}
	defer tofile.Close()

	file, err := ns.Open(from, g9p.OREAD)
	if err != nil {
		fmt.Fprintf(os.Stderr, "error opening %s for writing: %s\n", to, err)
		return
	}
	defer file.Close()

	_, err = io.Copy(tofile, file)
	if err != nil {
		fmt.Fprintf(os.Stderr, "error copying: %v\n", err)
		return
	}
}
示例#2
0
文件: cl.go 项目: zxpbenson/rog-go
func lsone(ns *g9pc.Ns, s string, long bool) {
	st, err := ns.Stat(s)
	if err != nil {
		fmt.Fprintf(os.Stderr, "error stat: %s\n", err)
		return
	}
	if st.Mode&g9p.DMDIR != 0 {
		file, err := ns.Open(s, g9p.OREAD)
		if err != nil {
			fmt.Fprintf(os.Stderr, "error opening dir: %s\n", err)
			return
		}
		defer file.Close()
		for {
			d, err := file.Dirread()
			if err != nil && err != io.EOF {
				fmt.Fprintf(os.Stderr, "error reading dir: %s\n", err)
			}
			if d == nil || len(d) == 0 {
				break
			}
			for _, dir := range d {
				if long {
					fmt.Fprintf(os.Stdout, "%s\n", dirtostr(dir))
				} else {
					os.Stdout.WriteString(dir.Name + "\n")
				}
			}
		}
	} else {
		fmt.Fprintf(os.Stdout, "%s\n", dirtostr(st))
	}
}
示例#3
0
文件: cl.go 项目: zxpbenson/rog-go
// Print the contents of f
func cmdcat(ns *g9pc.Ns, s []string) {
	for _, fname := range s {
		file, err := ns.Open(fname, g9p.OREAD)
		if err != nil {
			fmt.Fprintf(os.Stderr, "error opening %s: %s\n", fname, err)
			continue
		}
		defer file.Close()
		_, err = io.Copy(os.Stdout, file)
		if err != nil {
			fmt.Fprintf(os.Stderr, "error: %v\n", err)
		}
	}
}
示例#4
0
文件: cl.go 项目: zxpbenson/rog-go
// 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
	}
}
示例#5
0
文件: cl.go 项目: zxpbenson/rog-go
// 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)
}