From: Stephane Chazelas <stephane@chazelas.org>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: zsh workers <zsh-workers@zsh.org>
Subject: Re: $var not expanded in ${x?$var}
Date: Wed, 21 Feb 2024 20:21:50 +0000 [thread overview]
Message-ID: <20240221202150.tccftcqbxqqexq4x@chazelas.org> (raw)
In-Reply-To: <CAH+w=7Z0Evb019EX=bLtgHh0UOPy1J-nUO5paz+AxDXTtVGNSw@mail.gmail.com>
2024-02-21 11:52:51 -0800, Bart Schaefer:
> On Wed, Feb 21, 2024 at 11:45 AM Stephane Chazelas
> <stephane@chazelas.org> wrote:
> >
> > 2024-02-20 20:44:47 -0800, Bart Schaefer:
> > [...]
> > > + case 'S':
> > > + str = va_arg(ap, const char *);
> > > + fprintf(file, "%s", str);
> > > + break;
> > [...]
> >
> > I suspect there's something wrong with that as it could not
> > possibly work for ${var?$'\0'}.
>
> What would you expect it to do? You can't have it both raw and not
> raw.
I would expect it to write the NUL character ('\0') to stderr,
which fprintf couldn't do as it takes a NUL-delimited string.
With the patch applied, I get:
$ (: ${1?$'a\0b'}) |& sed -n l
zsh: 1: a\203 b$
Maybe needs some unmetafy + fwrite.
--
Stephane
next prev parent reply other threads:[~2024-02-21 20:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 8:02 Stephane Chazelas
2023-01-16 8:35 ` Daniel Shahaf
2023-01-16 17:15 ` Peter Stephenson
2024-02-20 7:05 ` Stephane Chazelas
2024-02-20 17:45 ` Bart Schaefer
2024-02-20 19:39 ` Stephane Chazelas
2024-02-21 4:44 ` Bart Schaefer
2024-02-21 19:45 ` Stephane Chazelas
2024-02-21 19:52 ` Bart Schaefer
2024-02-21 20:21 ` Stephane Chazelas [this message]
2024-02-22 0:46 ` [PATCH] unmetafy " Bart Schaefer
2024-02-22 7:23 ` Stephane Chazelas
2024-02-22 7:55 ` Metafication in error messages (Was: [PATCH] unmetafy Re: $var not expanded in ${x?$var}) Stephane Chazelas
2024-02-22 17:02 ` Bart Schaefer
2024-02-22 22:31 ` Bart Schaefer
2024-02-23 0:49 ` Bart Schaefer
2024-02-23 19:27 ` Stephane Chazelas
2024-02-23 22:32 ` Bart Schaefer
2024-02-23 23:38 ` Bart Schaefer
2024-02-24 9:47 ` Stephane Chazelas
2024-02-24 10:36 ` Stephane Chazelas
2024-02-25 4:35 ` [PATCH] 'bad interpreter' error garbled Bart Schaefer
2024-02-25 5:26 ` Bart Schaefer
2024-02-25 2:17 ` Metafication in error messages (Was: [PATCH] unmetafy Re: $var not expanded in ${x?$var}) Bart Schaefer
2024-02-25 6:05 ` Bart Schaefer
2024-02-25 7:29 ` Stephane Chazelas
2024-02-25 8:28 ` typeset -<non-ASCII> (Was: metafication in error messages) Stephane Chazelas
2024-02-25 8:35 ` Stephane Chazelas
2024-02-25 21:02 ` Bart Schaefer
2024-02-23 0:33 ` Metafication in error messages (Was: [PATCH] unmetafy Re: $var not expanded in ${x?$var}) Bart Schaefer
2024-02-25 5:06 ` [PATCH] count multibyte and metafied characters correctly for math ops errors Bart Schaefer
2024-02-22 8:34 ` [PATCH] unmetafy Re: $var not expanded in ${x?$var} Roman Perepelitsa
2024-02-22 17:07 ` Bart Schaefer
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