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Top Forums Shell Programming and Scripting How to store remote variable from remote cat file ?? Post 302952987 by oraclermanpt on Monday 24th of August 2015 06:32:31 PM
Old 08-24-2015
How to store remote variable from remote cat file ??

I am trying to cat on a file located on remote server and assign it to remote variable.


I have both local and remote variables. Running below script from local. test.sh

Code:
J_NAME=XXX2
J_IP=XXX
ssh $J_IP  "ps auxw |grep java | grep -v grep |grep $J_NAME | awk '{print  \$2}'>/tmp/$J_NAME.pid;
chmod u+rwx /tmp/$J_NAME.pid;
pid= cat /tmp/$J_NAME.pid;
echo \$pid; kill -3 \$pid >>/tmp/$J_NAME.log"

I can print remote value by doing cat on remote /tmp/$J_NAME.pid but not able to store in remote variable and do some work on that variable.

I understand concept of `,",',\. Looks like I am missing something Smilie

Last edited by oraclermanpt; 08-24-2015 at 07:38 PM..
 

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RSH(1)							    BSD General Commands Manual 						    RSH(1)

NAME
rsh -- remote shell SYNOPSIS
rsh [-Kdnx] [-l username] host [command] DESCRIPTION
Rsh executes command on host. Rsh copies its standard input to the remote command, the standard output of the remote command to its standard output, and the standard error of the remote command to its standard error. Interrupt, quit and terminate signals are propagated to the remote command; rsh normally termi- nates when the remote command does. The options are as follows: -d The -d option turns on socket debugging (using setsockopt(2)) on the TCP sockets used for communication with the remote host. -l By default, the remote username is the same as the local username. The -l option allows the remote name to be specified. -n The -n option redirects input from the special device /dev/null (see the BUGS section of this manual page). If no command is specified, you will be logged in on the remote host using rlogin(1). Shell metacharacters which are not quoted are interpreted on local machine, while quoted metacharacters are interpreted on the remote machine. For example, the command rsh otherhost cat remotefile >> localfile appends the remote file remotefile to the local file localfile, while rsh otherhost cat remotefile ">>" other_remotefile appends remotefile to other_remotefile. FILES
/etc/hosts SEE ALSO
rlogin(1), HISTORY
The rsh command appeared in 4.2BSD. BUGS
If you are using csh(1) and put a rsh in the background without redirecting its input away from the terminal, it will block even if no reads are posted by the remote command. If no input is desired you should redirect the input of rsh to /dev/null using the -n option. You cannot run an interactive command (like rogue(6) or vi(1)) using rsh; use rlogin(1) instead. Stop signals stop the local rsh process only; this is arguably wrong, but currently hard to fix for reasons too complicated to explain here. Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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