SHELL environment variable is no longer set to /bin/bash

SHELL environment variable is no longer set to /bin/bash

[Wilson, Brent]

I have noticed in the latest Cygwin release that the SHELL environment
variable is no longer set to /bin/bash. Actually, it isn't even set at all.
Am I missing something?

Thanks,
Brent Wilson

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Re: SHELL environment variable is no longer set to /bin/bash

[vipin aravind]

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Its  working  for me but I installed  cygwin  today.
vipin
----- Original Message -----
From: "Wilson, Brent" <brent.wilson@cacheflow.com>
To: <cygwin@cygwin.com>
Sent: Monday, November 19, 2001 3:21 PM
Subject: SHELL environment variable is no longer set to /bin/bash


> I have noticed in the latest Cygwin release that the SHELL environment
> variable is no longer set to /bin/bash. Actually, it isn't even set at
all.
> Am I missing something?
>
> Thanks,
> Brent Wilson
>
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> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
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Re: SHELL environment variable is no longer set to /bin/bash

[Corinna Vinschen]

On Mon, Nov 19, 2001 at 01:51:33AM -0800, Wilson, Brent wrote:
> I have noticed in the latest Cygwin release that the SHELL environment
> variable is no longer set to /bin/bash. Actually, it isn't even set at all.
> Am I missing something?

Yep.  You've missed to search the mailing list archive of the last week.

Corinna

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Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin@cygwin.com
Red Hat, Inc.

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Re: SHELL environment variable is no longer set to /bin/bash

[vipin aravind]

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same  guy in the  vim mailing list.
vipin
----- Original Message -----
From: "Corinna Vinschen" <cygwin@cygwin.com>
To: <cygwin@cygwin.com>
Sent: Monday, November 19, 2001 3:31 PM
Subject: Re: SHELL environment variable is no longer set to /bin/bash


> On Mon, Nov 19, 2001 at 01:51:33AM -0800, Wilson, Brent wrote:
> > I have noticed in the latest Cygwin release that the SHELL environment
> > variable is no longer set to /bin/bash. Actually, it isn't even set at
all.
> > Am I missing something?
>
> Yep.  You've missed to search the mailing list archive of the last week.
>
> Corinna
>
> --
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Developer                                mailto:cygwin@cygwin.com
> Red Hat, Inc.
>
> --
> Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
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>


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exempt from disclosure under applicable law. If you are not the intended
recipient or it appears that this mail has been forwarded to you without
proper authority, you are notified that any use or dissemination of this
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notify us immediately at mailto:mailadmin@wipro.com and delete this mail
from your records.
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Re: SHELL environment variable is no longer set to /bin/bash

[Chet Ramey]

> I have noticed in the latest Cygwin release that the SHELL environment
> variable is no longer set to /bin/bash. Actually, it isn't even set at all.
> Am I missing something?

Bash-2.05a no longer auto-exports SHELL if it sets it to a default value.
The same goes for HOME, PATH, TERM, and a few others.

First, bash does make sure that SHELL has a value in the current shell,
even if it was not inherited from the shell's parent in the environment.
That hasn't changed.

Second, Bash assumes that the shell's parent (or one of its ancestors)
will set SHELL to something useful.  On Unix, that's done by one of
the login programs.  Since nearly all instances of bash will have
SHELL in their initial environment, SHELL will be exported to the
shell's children, because bash adds the export attribute to variables
created from the initial environment.

Thus, most users will not see any difference in behavior.

The idea behind the change is that the shell should add as few things
as possible to the environment without being directed by the user.
Similar reasoning inspired the change in the shell's treatment of PATH,
HOME, and TERM, and so on.

Chet



-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    chet@po.CWRU.Edu    http://cnswww.cns.cwru.edu/~chet/

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