#!/bin/sh
for j in `seq -w 410 412` 
do
for i in `seq 20` 
do
wget http://117.40.196.2:8081//d/manhua/naruto/$j/$i.jpg -O $j-$i.jpg
done
done

Creat a script called download.x

open -u user,password -p [port] [server]
mirror -c -n /remote_directory /local_directory
exit

or an upload.x

open -u user,password -p [port] [server]
mirror -c -n -R /local_directory /remote_directory
exit

$ lftp -f upload.x ##or download.x

sdcv is the console version of StarDict program. You could install it simply by "apt-get". Thanks to pluskid. I copy the code from his notes.

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;stardict
;; author: pluskid
;; 调用 stardict 的命令行接口来查辞典 :: Using sdcv to consult dictionary.
;; 如果选中了 region 就查询 region 的内容, :: if you have marked region, it will consult the region.
;; 否则就查询当前光标所在的词 :: else it will consult the word before your cursor.
(global-set-key (kbd "C-c d") 'kid-star-dict)
(defun kid-star-dict ()
  (interactive)
  (let ((begin (point-min))
        (end (point-max)))
    (if mark-active
        (setq begin (region-beginning)
              end (region-end))
      (save-excursion
        (backward-word)
        (mark-word)
        (setq begin (region-beginning)
              end (region-end))))
    ;; 有时候 stardict 会很慢,所以在回显区显示一点东西
    ;; 以免觉得 Emacs 在干什么其他奇怪的事情.
    (message "searching for %s ..." (buffer-substring begin end))
    (tooltip-show
     (shell-command-to-string
      (concat "sdcv -n "
              (buffer-substring begin end))))))

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.pdf file2.pdf