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Thu, 22 Feb 2024 09:02:18 -0800 (PST) MIME-Version: 1.0 References: <836025199.2014747.1673889335246@mail.virginmedia.com> <20240220070505.fd6jfbcdldieqv7u@chazelas.org> <20240220193911.avnmcqfliwltkj5m@chazelas.org> <20240221194534.o2mufin7orng6ttg@chazelas.org> <20240221202150.tccftcqbxqqexq4x@chazelas.org> <20240222072313.7woy5vxvt4fbxyhj@chazelas.org> <20240222075528.eruaoosiuhmcrdsy@chazelas.org> In-Reply-To: <20240222075528.eruaoosiuhmcrdsy@chazelas.org> From: Bart Schaefer Date: Thu, 22 Feb 2024 09:02:07 -0800 Message-ID: Subject: Re: Metafication in error messages (Was: [PATCH] unmetafy Re: $var not expanded in ${x?$var}) To: zsh workers Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 52578 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Wed, Feb 21, 2024 at 11:55=E2=80=AFPM Stephane Chazelas wrote: > > 2024-02-22 07:23:13 +0000, Stephane Chazelas: > > 2024-02-21 16:46:23 -0800, Bart Schaefer: > > [...] > > > Code Argument types Prints > > > %s const char * C string (null terminated) > > > + %S const char * C string (null terminated), outpu= t raw > > > > May be worth pointing out there that the string is expected to > > be metafied (for both %s and %S). Actually the string is NOT really expected to be metafied ... usually it's a plain string hardwired in the calling code, so the caller actually should have the responsibility for unmetafy. In the particular case of %l -- > > > %l const char *, int C string of given length (null no= t required) > > > > Would that one be expected to be metafied? > > I see it used in this error message: > > $ printf '%d\n' $'1+|a\x83 c' > zsh: bad math expression: operand expected at `|a^@c' -- there's no (or not presently) any version of unmetafy that works without nul-termination.