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From: "Lawrence Velázquez" <larryv@zsh.org>
To: "Roman Perepelitsa" <roman.perepelitsa@gmail.com>
Cc: zsh-workers@zsh.org
Subject: Re: what can be global aliases used for?
Date: Fri, 17 Feb 2023 18:27:50 -0500	[thread overview]
Message-ID: <44d5e9a8-fec2-457d-9259-d06b603fcbad@app.fastmail.com> (raw)
In-Reply-To: <CAN=4vMrmBKa0CmcM_=6dbdx_dS_3KFZgmp=zCSKA8=67Ks+uRA@mail.gmail.com>

On Fri, Feb 17, 2023, at 4:19 PM, Roman Perepelitsa wrote:
> On Fri, Feb 17, 2023 at 10:13 PM Lawrence Velázquez <larryv@zsh.org> wrote:
>>   1) Autoconf uses ${1+"$@"} instead of "$@" to work around a bug
>>      in pre-SVR3 Bourne shells.
> Fascinating.
> This made me Google SVR3. That's System V, Release 3, right? 1987.
> Before the first release of bash and zsh.

That's right!  Absolutely ancient, but -- to be fair -- downright
modern compared to its ancestors [1].  Sensible "$@" [2]?  Functions
that don't trash the global positional parameters [3]?  Sign me up.

  [1]: https://www.in-ulm.de/~mascheck/bourne/
  [2]: https://www.in-ulm.de/~mascheck/various/bourne_args/
  [3]: https://www.in-ulm.de/~mascheck/bourne/function_parameters.html


      reply	other threads:[~2023-02-17 23:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAKc7PVA0X1786JP7g69aDP8eL+1oAZpipVC-4BNm1KV=OPxe7A@mail.gmail.com>
2023-02-17 14:54 ` Sebastian Gniazdowski
2023-02-17 17:15   ` Roman Perepelitsa
2023-02-17 19:10   ` Bart Schaefer
2023-02-17 21:11   ` Lawrence Velázquez
2023-02-17 21:19     ` Roman Perepelitsa
2023-02-17 23:27       ` Lawrence Velázquez [this message]

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