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Re: bash on macOS (was: Emacs Turns 50)

From Geoff Clare <geoff@clare.See-My-Signature.invalid>
Newsgroups alt.folklore.computers
Subject Re: bash on macOS (was: Emacs Turns 50)
Date 2026-11-03 13:17 +0000
Message-ID <qg3prm-ql7.ln1@ID-313840.user.individual.net> (permalink)
References (2 earlier) <11c0jnp$3q5il$1@dont-email.me> <rgierm-fmf.ln1@ID-313840.user.individual.net> <11c366q$lfc1$2@dont-email.me> <6pfmrm-l8a.ln1@ID-313840.user.individual.net> <11caqn1$36bpo$2@dont-email.me>

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Lawrence D’Oliveiro wrote:

> On Mon, 2 Nov 2026 13:28:38 +0000, Geoff Clare wrote:
> 
>> Lawrence D’Oliveiro wrote:
>>
>>> On Fri, 30 Oct 2026 13:26:19 +0000, Geoff Clare wrote:
>>>
>>>> Lawrence D’Oliveiro wrote:
>>>>
>>>>> On Thu, 29 Oct 2026 15:00:43 +0000, Geoff Clare wrote:
>>>>>
>>>>>> I think it needs to execute bash in order for the system to
>>>>>> conform to UNIX03.
>>>>>
>>>>> 1) I doubt that SuS would include something GNU-specific in their
>>>>>    requirements.
>>>>
>>>> What I wrote does not in any way imply that there is something
>>>> GNU-specific in SUS.
>>>
>>> Bash is GNU-specific.
>>
>> Irrelevant.
>>
>> SUS does not require any behaviour that is specific to bash.
> 
> Then why mention bash specifically in the requirements?

Bash is not mentioned specifically in UNIX03 / SUSv3 requirements.
(It is mentioned in non-normative rationale, as is ksh.)

>> Everything it requires is also supported by ksh.
> 
> Why not spell out the specific behaviour that is required, then,
> if POSIX isn’t enough?

You do know that POSIX.1 and (the Base volumes of) SUS are one and
the same standard, right?

UNIX conformance requires that certain options within POSIX.1/SUS
are supported (particularly the XSI option, but some others as well).
The separate XCurses volume of SUS also needs to be supported.

>>> And why does The Open Group allow this?
>>
>> You would have to ask them that.
> 
> Because they’re just out for the money, that’s why. The “Unix”
> trademark doesn’t mean that much any more, if it’s just a commodity
> that can be bought.

Obtaining UNIX certification requires passing tens of thousands of
tests.

-- 
Geoff Clare <netnews@gclare.org.uk>

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Thread

Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-29 04:56 +0000
  Re: Emacs Turns 50 Aidan Kehoe <kehoea@parhasard.net> - 2026-10-29 07:30 +0000
  bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-10-29 15:00 +0000
    Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-29 23:09 +0000
      Re: bash on macOS (was: Emacs Turns 50) scott@slp53.sl.home (Scott Lurndal) - 2026-10-30 00:49 +0000
      Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-10-30 13:26 +0000
        Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-30 22:37 +0000
          Re: bash on macOS Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-31 01:06 +0000
            Re: bash on macOS Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-02 13:42 +0000
              Re: bash on macOS Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-02 20:11 +0000
          Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-02 13:28 +0000
            Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-02 20:10 +0000
              Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-03 13:17 +0000
                Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-03 20:39 +0000
                Re: bash on macOS Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-04 01:02 +0000
                Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-04 14:00 +0000
                Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-04 21:41 +0000
                Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-05 13:53 +0000
                Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 19:00 +0000
                Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-06 13:59 +0000
                Re: bash on macOS Peter Flass <Peter@Iron-Spring.com> - 2026-11-06 07:43 -0700
                Re: bash on macOS scott@slp53.sl.home (Scott Lurndal) - 2026-11-06 15:42 +0000
                Re: bash on macOS Peter Flass <Peter@Iron-Spring.com> - 2026-11-06 10:48 -0700
                Re: bash on macOS Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-06 18:21 +0000
                Re: bash on macOS Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-06 18:16 +0000
                Re: bash on macOS antispam@fricas.org (Waldek Hebisch) - 2026-11-06 21:52 +0000
                Re: bash on macOS Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-07 00:35 +0000
                Portability of 'echo -n' (was: Re: bash on macOS) Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-07 10:02 +0000
                Re: Portability of 'echo -n' antispam@fricas.org (Waldek Hebisch) - 2026-11-07 21:24 +0000
                Re: Portability of 'echo -n' Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-07 22:25 +0000
                Re: Portability of 'echo -n' Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-08 00:25 +0000
                Re: Portability of 'echo -n' Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-09 14:38 +0000
                Re: bash on macOS Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-06 20:43 +0000
                Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-06 20:42 +0000
                Re: bash on macOS (was: Emacs Turns 50) Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-11-09 14:05 +0000
                Re: bash on macOS Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-11-09 22:23 +0800
                Re: bash on macOS (was: Emacs Turns 50) scott@slp53.sl.home (Scott Lurndal) - 2026-11-09 16:00 +0000
                Re: bash on macOS (was: Emacs Turns 50) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-09 22:13 +0000
                Re: bash on macOS (was: Emacs Turns 50) scott@slp53.sl.home (Scott Lurndal) - 2026-11-10 01:21 +0000
  Re: Emacs Turns 50 rbowman <bowman@montana.com> - 2026-10-29 15:51 +0000
    Re: Emacs Turns 50 Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-30 12:16 +0000
      Re: Emacs Turns 50, gpl is still a bad idea John Levine <johnl@taugh.com> - 2026-10-30 17:49 +0000
        Re: Emacs Turns 50, gpl is still a bad idea Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-31 01:13 +0000
        Re: Emacs Turns 50, gpl is still a bad idea Tapiro Ubriaco <interwebs.dude@gmail.com> - 2026-10-31 18:45 +0000
          macOS Tivoization (was: Re: Emacs Turns 50) Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-01 01:17 +0000
            Re: macOS Tivoization (was: Re: Emacs Turns 50) Tapiro Ubriaco <interwebs.dude@gmail.com> - 2026-11-04 12:14 +0000
              Re: macOS Tivoization Nuno Silva <nunojsilva@invalid.invalid> - 2026-11-04 15:12 +0000
        Re: Emacs Turns 50, gpl is still a bad idea antispam@fricas.org (Waldek Hebisch) - 2026-11-01 15:06 +0000
      Re: Emacs Turns 50 Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-10-30 18:24 -0400
      Re: Emacs Turns 50 Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-11-09 22:25 +0800
        Re: Emacs Turns 50 rbowman <bowman@montana.com> - 2026-11-09 19:58 +0000
  Re: Emacs Turns 50 Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-10-30 18:20 -0400
    Re: Emacs Turns 50 Bob Eager <throwaway0008@eager.cx> - 2026-10-30 23:45 +0000
    Re: Emacs Turns 50 John Bokma <contact@johnbokma.com> - 2026-10-31 15:28 +0100
    Re: Emacs Turns 50 Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-11-03 17:05 +0200
    Re: Emacs Turns 50 John McCue <jmclnx@gmail.com.invalid> - 2026-11-03 21:16 +0000
      Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-03 22:22 +0000
        Re: Emacs Turns 50 Aidan Kehoe <kehoea@parhasard.net> - 2026-11-04 07:14 +0000
          Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-04 08:24 +0000
        Re: Emacs Turns 50 John McCue <jmclnx@gmail.com.invalid> - 2026-11-06 01:27 +0000
  Re: Emacs Turns 50 Daniel <me@fuhgitabutit.com> - 2026-11-04 19:19 -0800
    Re: Emacs Turns 50 ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2026-11-05 03:21 +0000
      Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 03:33 +0000
        Re: Emacs Turns 50 scott@slp53.sl.home (Scott Lurndal) - 2026-11-05 15:04 +0000
          Re: Emacs Turns 50 scott@slp53.sl.home (Scott Lurndal) - 2026-11-05 16:13 +0000
            Re: Emacs Turns 50 Peter Flass <Peter@Iron-Spring.com> - 2026-11-05 09:26 -0700
              Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 19:06 +0000
              Re: Emacs Turns 50 rbowman <bowman@montana.com> - 2026-11-05 19:38 +0000
        Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 23:09 +0000
        Re: Emacs Turns 50 antispam@fricas.org (Waldek Hebisch) - 2026-11-06 17:59 +0000
    Re: Emacs Turns 50 rbowman <bowman@montana.com> - 2026-11-05 03:26 +0000
      Re: Emacs Turns 50 Don_from_AZ <djatechNOSPAM@comcast.net.invalid> - 2026-11-04 21:09 -0700
        Re: Emacs Turns 50 rbowman <bowman@montana.com> - 2026-11-05 06:51 +0000
          Re: Emacs Turns 50 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-11-05 19:17 +0000
            Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 22:59 +0000
            Re: Emacs Turns 50 Jeroen Belleman <jeroen@nospam.please> - 2026-11-06 00:12 +0100
              Re: Emacs Turns 50 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-11-05 23:24 +0000
              Re: Emacs Turns 50 "Kerr-Mudd, John" <admin@127.0.0.1> - 2026-11-08 14:26 +0000
        Re: Emacs Turns 50 Daniel <me@fuhgitabutit.com> - 2026-11-05 23:26 -0800
    Re: Emacs Turns 50 Bob Eager <throwaway0008@eager.cx> - 2026-11-05 09:23 +0000

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