I am writing a script and kind of stuck in a small thing. Cannot figure it out. so please help
I am logged in as root user. I want to switch user to "user1" inside the script and execute a specific command lets say "pwd" and come back where i started.
I know how to switch user, run command and come back i.e,
Code:
su - user1 -c "pwd"
I just want two things.
1). Save the output of the command given as user1 in a variable inside a script and use it somewhere else lets say for comparing etc
I have tried several things but didn't work out....
2). I do not want the output of this command to appear on screen while running the script but saving the output of the command in some variable.
Code:
#!/bin/sh
su - user1 -c "pwd" # Store the output of this command in variable "check"
if [ "/export/home" -eq $check ]
then
echo "The path is correct\n"
else
echo "The path is not correct\n"
fi
Thanks
Last edited by Franklin52; 02-13-2010 at 09:12 AM..
Reason: Please use code tags!
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Discussion started by: Jaganjag
8 Replies
LEARN ABOUT PLAN9
shell
shell(1F) FMLI Commands shell(1F)NAME
shell - run a command using shell
SYNOPSIS
shell command [command] ...
DESCRIPTION
The shell function concatenate its arguments, separating each by a space, and passes this string to the shell ($SHELL if set, otherwise
/usr/bin/sh).
EXAMPLES
Example 1: A sample output of shell command.
Since the Form and Menu Language does not directly support background processing, the shell function can be used instead.
`shell "build prog > /dev/null &"`
If you want the user to continue to be able to interact with the application while the background job is running, the output of an exe-
cutable run by shell in the background must be redirected: to a file if you want to save the output, or to /dev/null if you don't want to
save it (or if there is no output), otherwise your application may appear to be hung until the background job finishes processing.
shell can also be used to execute a command that has the same name as an FMLI built-in function.
NOTES
The arguments to shell will be concatenate using spaces, which may or may not do what is expected. The variables set in local environments
will not be expanded by the shell because "local" means "local to the current process."
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO sh(1), attributes(5)SunOS 5.10 5 Jul 1990 shell(1F)