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question about script

I made a script file called "rbt" which contains only 2 lines of code:
sudo gainroot
reboot

When I "sh rbt", it only executes the first line of code and stops with a "#". It does not run the second line.

What's wrong? Help please. Thanks.

Re: question about script

Hi,

The easiest way to see what's happening is to think in terms of PIDs.

In the shell (PID 124, let's say) you run

Code:

rbt

, which will launch a sub-shell (PID 128, say). That subshell will then be the context for running the script, and the first line will be run in it. That is:

Code:

sudo gainroot

This has for effect to start a root shell (PID 130).

The rest of the rbt script is now blocked, waiting for PID 130 to exit.

If your sudoers file is set up correctly (that is, you've given yourself permission to run all commands as root via sudo), then you can try running

Code:

sudo reboot

directly.

Dave.

Re: question about script

Code:

#!/bin/sh

if [ `id -u` != 0 ] ; then

#if not already root, call itself as root

        exec sudo gainroot <<EOF

exec $0 $*

EOF

        exit $?

fi

#real script follows

reboot

Thanks to fanoush.

EDIT: It may just be easier to use this; which can be run as user:

Code:

dbus-send --system --type=method_call --dest="com.nokia.mce" --print-reply "/com/nokia/mce/request" com.nokia.mce.request.req_reboot