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Full Discussion: How to find whether a particular command has failed inside an sftp script?
Top Forums Shell Programming and Scripting How to find whether a particular command has failed inside an sftp script? Post 302855053 by Little on Thursday 19th of September 2013 01:04:14 AM
Old 09-19-2013
How to find whether a particular command has failed inside an sftp script?
hi,

how can i know whether a command inside an sftp script has failed or not?

i have a sftp expect script
Code:
#!/usr/bin/expect
spawn /usr/bin/sftp abc@ftp.abc.com
expect "sftp>"
send "cd dir\r"
expect "sftp>"
send "mput abc.txt\r"
expect "sftp>"
send "mput def.xls\r"
expect "sftp>"
send "bye\r"
expect eof

suppose there is no directory named "dir" in sftp remote server, then the command at line 4 i.e. cd dir will fail and the script should not proceed further.
how can i do this?
 

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LEARN ABOUT OPENSOLARIS

sftp-server

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

NAME

       sftp-server - SFTP server subsystem

SYNOPSIS

       /usr/lib/ssh/sftp-server [-f log_facility] [-l log_level]

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. Command-line flags to sftp-server should be specified in the Subsys-
       tem declaration. See sshd_config(4) for more information.

       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.

OPTIONS

       Valid options are listed below. As stated above, these are to be specified in the Subsystem declation of sshd_config.

       -f log_facility

	   Specifies the facility code that is used when logging messages from sftp-server. The possible values are: DAEMON, USER,  AUTH,  LOCAL0,
	   LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7. The default is AUTH.

       -l log_level

	   Specifies  which  messages  will  be logged by sftp-server. The possible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1,
	   DEBUG2, and DEBUG3. INFO and VERBOSE log transactions that sftp-server performs on behalf of the client. DEBUG and DEBUG1  are  equiva-
	   lent. DEBUG2 and DEBUG3 each specify higher levels of debugging output. The default is ERROR.

EXIT STATUS

       The following exit values are returned:

       0     Successful completion.

       >0    An error occurred.

FILES

       /usr/lib/ssh/sftp-server    Server-side binary.

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)

SunOS 5.11							    24 Oct 2007 						   sftp-server(1M)
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