ftp命令中如何判断目标文件是否存在呢！

littlefour

rt

nhw_cs

I wont give any solution until you make the question more specific

liaosnet

记录ftp的dug信息好了...看它的返回值..
ftp -ind

1. 
   
2. ftp -ind 192.168.80.47
   
3. Connected to 192.168.80.47.
   
4. 220 (vsFTPd 2.0.1)
   
5. ftp: setsockopt: Bad file descriptor
   
6. ---> AUTH GSSAPI
   
7. 530 Please login with USER and PASS.
   
8. ---> AUTH KERBEROS_V4
   
9. 530 Please login with USER and PASS.
   
10. KERBEROS_V4 rejected as an authentication type
    
11. ---> SYST
    
12. 530 Please login with USER and PASS.
    
13. ftp> user informix informix   
    
14. ---> USER informix
    
15. 331 Please specify the password.
    
16. ---> PASS XXXX
    
17. 230 Login successful.
    
18. ftp> get 1.txt
    
19. local: 1.txt remote: 1.txt
    
20. ftp: setsockopt (ignored): Permission denied
    
21. ---> PASV
    
22. 227 Entering Passive Mode (192,168,80,47,103,20)
    
23. ---> RETR 1.txt
    
24. 550 Failed to open file.                            ----------------文件1.txt不存在返回 Failed to open file.
    
25. ftp> bye
    
26. ---> QUIT
    
27. 221 Goodbye.
    

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[ 本帖最后由 liaosnet 于 2009-12-25 10:54 编辑 ]

beginner-bj

我以前的做法就是FTP过去dir或ls子命令，根据返回的结果决定再次FTP的时候运行什么子命令。