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Full Discussion: Checking files in remote server and decide to copy file or not
Top Forums UNIX for Dummies Questions & Answers Checking files in remote server and decide to copy file or not Post 302791213 by bakunin on Monday 8th of April 2013 06:44:03 AM
Old 04-08-2013
The thread spacebar pinted you to is a good one. I suggest you study it. Just a final observation on your code:

Quote:
Originally Posted by beezy
Code:
while read $server
do
if ssh $server "cd $directory_name; if [ -r $file2copy ]; then echo "Error: File $file2copy already exists, stop copying..exit"; fi"
 else scp -r $file2copy $server:~/$directory_name
 echo " file copied"
done

This should not work at all because it contains a syntax error. I have indented it to make it more obvious:

Code:
while read $server ; do
     if ssh $server "<cmd>"
     else scp -r $file2copy $server:~/$directory_name
     echo " file copied"
done

The "if" is nowhere closed by a "fi" and the mandatory "then" is missing too. In addition:

Code:
"cd $directory_name; if [ -r $file2copy ]; then echo "Error: File $file2copy already exists, stop copying..exit"; fi"

This should not work because double quotes can't be nested.


I hope this helps.

bakunin
 

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LEARN ABOUT OSF1

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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