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Problem in SFTP using heredoc

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Top Forums Shell Programming and Scripting Problem in SFTP using heredoc
# 1  
Old 03-16-2011
Problem in SFTP using heredoc
Hi,
I'm having heredoc to get files from ftp server.

Code:
#!/bin/bash
/export/opt/SCssh/3.7.1_C0/bin/sftp csi@192.168.1.100 <<GET_FILES
lcd /WEBSERVER_LINK/data_logs/
ls -l pub/csidata/GeneralAppFields_8_1_Feed.out pub/csidata/CtcCatalog_7_3_3_Feed.out
get pub/csidata/GeneralAppFields_8_1_Feed.out
get pub/csidata/CtcCatalog_7_3_3_Feed.out
quit
GET_FILES

When I execute this script, first command lcd only getting executed. Remaining commands are not getting executed. If I run these commands explicitly in sftp command prompt, all the commands are getting executed fine. I don't know why only one command is working and it is coming out of the script without executing other commands in heredoc.

Also I'm not getting any error while running the script.

Have any one faced the same issue before? Please reply why it is getting out when execute first command?
Last edited by pludi; 03-16-2011 at 09:16 AM.. Reason: code tags, please
# 2  
Old 03-16-2011
I can't see any problem in this script. Maybe, if you have another version of ssh/sftp on another box, try the script out there to check if that version behaves different. You could also check with vi, using :set list, if there is something awkward in this file after the line including that lcd. You could also try it with another shell maybe.

I tried it with bash and openssh on a Debian GNU Linux and it behaved as expected.
# 3  
Old 03-16-2011
Quote:
ls -l pub/csidata/GeneralAppFields_8_1_Feed.out pub/csidata/CtcCatalog_7_3_3_Feed.out
The above command is a unix command not a ftp command. It will try to output a directory listing to a named file.

Try as two ftp directory list commands:
Code:
ls pub/csidata/GeneralAppFields_8_1_Feed.out
ls pub/csidata/CtcCatalog_7_3_3_Feed.out

# 4  
Old 03-16-2011
Methyl is correct - the rest of the script should continue executing though.
# 5  
Old 03-16-2011
sftp version :
Code:
/export/opt/SCssh/3.7.1_C0/bin/sftp: SSH Tectia Server 4.4.8 on sparc-sun-solaris2.8
Build: 21

Also I forgot to mention in my previous post that, if we use commands in batch file and execute sftp it is working fine.

Script :
Code:
#!/bin/bash
 
 commands_get_files="get_files"
 /export/opt/SCssh/3.7.1_C0/bin/sftp -B $commands_get_files csi@192.168.1.100
 
cat get_files
lcd /WEBSERVER_LINK/data_logs/
ls -l pub/csidata/GeneralAppFields_8_1_Feed.out pub/csidata/CtcCatalog_7_3_3_Feed.out
get pub/csidata/GeneralAppFields_8_1_Feed.out
get pub/csidata/CtcCatalog_7_3_3_Feed.out
quit

When I run this script I'm able to get files from ftp server. If I put commands in batch file it is working fine. If I use heredoc, it's not working. I can go for batch mode design but I have to maintain lot of batch files. So I don't want to go for that option.

Moderator's Comments:
Mod Comment You were asked by pludi to use code tags - you got a PM with a guide how to, thanks.
Last edited by zaxxon; 03-16-2011 at 10:44 AM.. Reason: code tags
# 6  
Old 03-16-2011
Is using ssh and/or scp instead an option?
# 7  
Old 03-16-2011
In case sftp automation required, -b option is recommended to use for sftp batch mode.
Put all those command in a file and use -b file while invoking sftp.
It doen't work EXACTLY as ftp AFAIK.

Code:
     -b batchfile
             Batch mode reads a series of commands from an input batchfile instead of stdin.  Since it lacks user interaction it should be used in conjunction
             with non-interactive authentication.  A batchfile of '-' may be used to indicate standard input.
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