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Full Discussion: Expect Script for SFTP Upload
Top Forums Shell Programming and Scripting Expect Script for SFTP Upload Post 302574004 by thaller on Wednesday 16th of November 2011 08:46:10 AM
Old 11-16-2011
Java Expect Script for SFTP Upload
I am attempting to utilize an expect script (that is called from a parent bash script) to perform a file transfer over sftp.

The script works except I cannot catch timeouts. I need to be able to tell in the parent bash script when the expect script has timed out, or completed successfully.

It is called in my bash script with:
Code:
expect -f ./sftp.exp

Here is what I have:

Code:
set timeout 30
spawn sftp user@serverip
  expect "password: "
  send "password"
  expect "sftp> "
  send "lcd /data/\n"
  expect "sftp> "
  send "put file.txt\n"
  expect "*100%*"
  expect "sftp> "
  send "quit\n"
  expect eof
timeout { exit 2 }

We have this running in production and normally it does not cause any problems. However lately it has been timing out and checking $? in the parent bash script only returns 0. We are running AIX 5.3 if that makes any difference.

Any help would be appreciated.

Thanks
 

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LEARN ABOUT X11R4

sftp-server

sftp-server(1M)                                           System Administration Commands                                           sftp-server(1M)

NAME

       sftp-server - SFTP server subsystem

SYNOPSIS

       /usr/lib/ssh/sftp-server

DESCRIPTION

       sftp-server implements the server side of the SSH File Transfer Protocol as defined in the IETF draft-ietf-secsh-filexfer.

       sftp-server is a subsystem for sshd(1M) and must not be run directly. There are no options or config settings.

       To enable the sftp-server subsystem for sshd add the following to /etc/ssh/sshd_config:

       Subsystem   sftp     /usr/lib/ssh/sftp-server

       See sshd_config(4) for a description of the format and contents of that file.

       There is no relationship between the protocol used by sftp-server and the FTP protocol (RFC 959) provided by in.ftpd.

EXIT STATUS

       The following exit values are returned:

       0        Successful completion.

       >0       An error occurred.

FILES

       /usr/lib/sftp-server

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWsshdu                    |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Evolving                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       sftp(1), ssh(1), ssh-add(1), ssh-keygen(1), sshd(1M), sshd_config(4), attributes(5)

       To  view  license  terms,  attribution,  and  copyright  for OpenSSH, the default path is /var/sadm/pkg/SUNWsshdr/install/copyright. If the
       Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed
       location.

AUTHOR

       Markus Friedl

SunOS 5.10                                                          30 Jul 2003                                                    sftp-server(1M)
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