Question

Solaris 10 SFTP to get a directory

Asked by: jodonnellcbd

I am working with Solaris 10 x86 on an HP DL360.  I am trying to write a simple script to use sftp to download a directory tree.  
The files I am trying to get are buried under 5 or so directory layers.  
For example:

/test/dir1/path/to/the/files
/test/dir2/path/to/the/files
/test/dir3/path/to/the/files

In the above example, I just want to connect to their SFTP server and download the 'test' directory, which would contain all the subdirs and files.  I had this working on windows using putty, but it seems that unix cannot handle this task.

It looked like the perl module Net::SFTP could handle this, but I have been trying without success to install it for the past two days.

What is the best way to do this?

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Asked On
2009-08-19 at 11:31:41ID24665856
Topics

Unix Networking

,

Unix Operating Systems

,

SSH / Telnet Software

Participating Experts
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Points
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Comments
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Answers

 

by: RBEIMSPosted on 2009-08-19 at 11:54:27ID: 25135975

You could try to use
scp -r user@machine:/test your_local_dir

This will recursively copy the "/test" directory to "your_local_dir"


 

by: nemws1Posted on 2009-08-19 at 11:56:26ID: 25136007

I'd use 'scp' instead of 'sftp':

scp -r remote_server:/test .

                                              
1:

Select allOpen in new window

 

by: omarfaridPosted on 2009-08-19 at 11:56:55ID: 25136018

I am not sure if sftp can download directories. Instead use

scp -r username@servername:/test /path/to/mydir

put server ip address if servername is not mapped to ip address in dns or in /etc/hosts

 

by: jodonnellcbdPosted on 2009-08-19 at 11:58:22ID: 25136041


RBEIMS:

For some reason, every time I try to use scp -r instead of SFTP I get the error:

unknown user 70273

I find this is odd because I am using the same username/password/key as when I successfully authenticate with the server using SFTP.  I am wondering if I am being restricted on the server side to only use SFTP.  Is it at all possible to use sftp with a script to do this?

 

by: RBEIMSPosted on 2009-08-19 at 12:16:33ID: 25136210

I noticed now that SFTP doesn't need a shell in the other side to properly connect. Probably the server is not configured to give you a shell, so your scp fails and sftp doesn't.
You can call sftp with a bacth file:
sftp -b batch_file

Your batch file should contain something like:
chdir /test
get *

But I did not have a chance to test this. Please test it and let me know!

 

by: jodonnellcbdPosted on 2009-08-19 at 12:22:38ID: 25136276


tried the batch script.

The script contained:
cd /test
lcd /my/local/dir
get *

when it ran it gave the following output:
Fetching /test to /test
Cannot download a directory: /test

 

by: RBEIMSPosted on 2009-08-19 at 12:32:37ID: 25136395

Apparently the sftp client doesn't support recursive copy. In this link they suggest to use scp to do recursive copies.
http://www.cae.wisc.edu/linux-sftp

As you can't do this, I think that you only have one option:
To ask the system administrator to give you a shell so that you can use scp to copy the files. There are restricted shells that allow only the copies of files, maybe you could suggest that if they are too concerned about security.
http://dragontoe.org/rssh/

 

by: jodonnellcbdPosted on 2009-08-19 at 12:35:26ID: 25136438

Thanks,

One thing that I just tried was using winSCP on windows and that program can login, so now I am thinking that I must have a shell account on the remote side.  

  Are there any known differences to how unix scp and winSCP handles authentication?

 

by: omarfaridPosted on 2009-08-19 at 14:42:01ID: 25137671

is ftp an option for you? If yes then you can use tools like wget with recursive dir copy

on windows you can do from command line. please see

http://www.experts-exchange.com/Software/Internet_Email/File_Sharing/FTP/Q_23851359.html

 

by: RBEIMSPosted on 2009-08-19 at 14:53:15ID: 25137743

Maybe winscp uses sftp, and does the magic by itself (copying the files recursively). You could also try to do it the same way:
Use ls and verify the files you need to copy and then copy them one by one. Maybe it could be done using a script.

 

by: arober11Posted on 2009-08-20 at 05:12:23ID: 25141423

Have a look at rsync e.g.


Push:
/opt/rsync/bin/rsync -optlg --rsh=/usr/bin/ssh --rsync-path='/opt/rsync/bin/rsync' --recursive --force --delete-after /test/ 129.168.0.123:/test

Pull:
/opt/rsync/bin/rsync -optlg --rsh=/usr/bin/ssh --rsync-path='/opt/rsync/bin/rsync' --recursive --force --delete-after  129.168.0.123:/test/ /test

 

by: jodonnellcbdPosted on 2009-08-20 at 10:59:46ID: 31617798

Thanks for all your help!  
Looks like scp -r would be the way to go in this case.

20120131-EE-VQP-002

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