Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Date: Sat, 4 Dec 2004 17:19:35 -0500 (EST) From: Igor Pechtchanski Reply-To: cygwin AT cygwin DOT com To: Jason Pearce cc: cygwin AT cygwin DOT com Subject: Re: Environment variables & system privilages In-Reply-To: <41B1A1C4.6020102@ieee.org> Message-ID: References: <41B1A1C4 DOT 6020102 AT ieee DOT org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII On Sat, 4 Dec 2004, Jason Pearce wrote: > I have two seemingly simple questions that I just can't find the answers > to. Any assistance would be appreciated > > 1. What's the "right" way to add add environment variables into the user and > system maps? > Currently I am using regtool to manipulate the registry. For instance to set > an environment variable FOO=BAR I do: > > regtool set -s '\HKEY_CURRENT_USER\Environment\FOO' 'BAR' > or > regtool set -s 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\FOO' 'BAR' > > The first form places it in the user's map, the second in the system > map. But will this work across patform? Is there a more preferred > method? Well, that's probably the best you could hope for, if you want system-wide settings. I'm not aware of any other command-line tool that would set these. If you only want to set environment variables for Cygwin shells, you might want to edit /cygwin.bat instead. > 2. How can I test whether my script is running with system privilages? > ie I want to write a script that installs a mount and sets and environment > variable. If the script is running with system privilages I want to make the > change system wide. Otherwise, in the user's profile. Why not try mounting with system privileges first? 'mount' will fail if it's unable to set mounts, and you can fall back on user mounts. In other words: #!/bin/sh if mount -tfs d:/projects /projects; then regtool set -s 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\FOO' 'BAR' else # User ony mount -tfu d:/projects /projects regtool set -s '\HKEY_CURRENT_USER\Environment\FOO' 'BAR' fi > #!/bin/sh > if [ ??????? ] > then > # Sytem wide > mount -tfs d:/projects /projects > regtool set -s 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\FOO' 'BAR' > else > # User ony > mount -tfu d:/projects /projects > regtool set -s '\HKEY_CURRENT_USER\Environment\FOO' 'BAR' > fi > > What do I put in place of the ?????? HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha AT cs DOT nyu DOT edu ZZZzz /,`.-'`' -. ;-;;,_ igor AT watson DOT ibm DOT com |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "The Sun will pass between the Earth and the Moon tonight for a total Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/