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Full Discussion: Help in Setting Environment variables in TCSH
Top Forums Shell Programming and Scripting Help in Setting Environment variables in TCSH Post 302168376 by kssandeep on Monday 18th of February 2008 06:57:47 AM
Old 02-18-2008
Help in Setting Environment variables in TCSH
Hello All,

I am writing a script to set some environment variables which are required for a particular application. I understand that the environment variables set by Shell script can, at the max, be valid for the session. They will have to be set again once the session is closed and re-opened.

In my case, I can see that the environment variables are being set, but once the shell script execution completes, the environment variables are not set.

******************
#!/usr/bin/env tcsh
setenv SR_MGR_CONF_DIR /users/abc/tools

echo $SR_MGR_CONF_DIR


******************
I see the output of the echo is right... but if i execute the same echo command after the execution of the script, I am not able to see the environment variable.

Please let me know why is this so.

Thanks in advance
Regards
Sandeep
 

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LEARN ABOUT DEBIAN

service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service	runs a System V init script in as predictable an environment as possible, removing most environment variables and with the current
       working directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script.  service passes COMMAND and OPTIONS to the init script unmodified.  All scripts should support at least the start and stop
       commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start  com-
       mand.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

EXIT CODES

       service calls the init script and returns the status returned by it.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       /etc/init.d/skeleton,
       update-rc.d(8),
       init(8),
       invoke-rc.d(8).

								     Jan 2006								service(8)
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