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Full Discussion: logging as su from script
Top Forums UNIX for Dummies Questions & Answers logging as su from script Post 92270 by aniseed on Thursday 8th of December 2005 11:39:00 PM
Old 12-09-2005
Quote:
Originally Posted by mgirinath
#! /usr/bin/sh
./profile
su - u02 password # it does not take it this way...
cd /u02/inf
pmcmd -u $username -p $password -s $server.....
....

here my problems are
after executing the .profile it ececutes su and waits for password........

1) how should I enter the option su as i run the script from my ID specifying su password...
2) will the variables that are defined in my profile stay even though i do su and run command because
$username,$password,$server are in .profile.....

how should I use it...please help...
1) su allows interaction only through the console, probably for security reasons. You might try using supassword | su loginname but I doubt if it will work correctly. Alternatively, you could try using sudo command.
http://www.uwsg.iu.edu/UAU/advcomm/sudo.html

2) As per the manual entry for su, if you want to retain the previous environment variables, your command will be
Code:
su username

and if you want to use the environment for the user you are changing to
Code:
su - username

 

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prev(1) 						      General Commands Manual							   prev(1)

NAME
prev - show the previous message (only available within the message handling system, mh) SYNOPSIS
prev [+folder] [-[no]header] [-help] [-showproc program] [-noshowproc] [options to showproc] OPTIONS
Displays a one-line header before the message. The header consists of the name of the folder and the message number. This is the default behavior. It can be suppressed with the -noheader option. Prints a list of the valid options to this command. Specifies an alternative program to list messages. The default is to use the program defined by the showproc: entry in the file. As with show, you can give options to the showproc program at the command line. These are passed directly to showproc by prev. The defaults for this command are: +folder defaults to the current folder -header DESCRIPTION
The prev command displays the previous message in the current folder. The previous message is the one before the current message in the folder. The message that is shown becomes the current message. You can specify a folder other than the current folder by using the +folder argument. If you specify a folder, that becomes the current folder. RESTRICTIONS
The prev command is really a link to the show program. As a result, if you make a link to prev and that link is not called prev, your link will act like show instead. To avoid this, add a profile-entry for the link to your MH profile and add the argument prev to the entry. PROFILE COMPONENTS
Path: To determine your Mail directory showproc: Program to show the message EXAMPLES
The command in the following example displays the previous message in the folder +copylog: $ prev +copylog FILES
The user profile. SEE ALSO
show(1), next(1) prev(1)
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