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Tue, 20 Feb 2024 20:44:59 -0800 (PST) MIME-Version: 1.0 References: <20230113080246.nghigc4givvaomve@chazelas.org> <836025199.2014747.1673889335246@mail.virginmedia.com> <20240220070505.fd6jfbcdldieqv7u@chazelas.org> <20240220193911.avnmcqfliwltkj5m@chazelas.org> In-Reply-To: <20240220193911.avnmcqfliwltkj5m@chazelas.org> From: Bart Schaefer Date: Tue, 20 Feb 2024 20:44:47 -0800 Message-ID: Subject: Re: $var not expanded in ${x?$var} To: zsh workers Content-Type: multipart/mixed; boundary="00000000000039a98b0611dcfd2d" X-Seq: 52568 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: --00000000000039a98b0611dcfd2d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Feb 20, 2024 at 11:39=E2=80=AFAM Stephane Chazelas wrote: > > Looking at https://austingroupbugs.net/view.php?id=3D1771 where > availability of printf %X directives is discussed, looks like %S > is the least likely to conflict with printf(3) or printf(1) if > that was ever to be a concern. Zsh contains approximately 500 calls to output error messages, at least a third of which include strings that would have come from user input. I wonder how many of those are eventually going to want %S or at least some less-than-"nice" processing. --00000000000039a98b0611dcfd2d Content-Type: text/plain; charset="US-ASCII"; name="zerr%S.txt" Content-Disposition: attachment; filename="zerr%S.txt" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_lsvavmpj0 ZGlmZiAtLWdpdCBhL1NyYy9zdWJzdC5jIGIvU3JjL3N1YnN0LmMKaW5kZXggNjUwYzA5ZGUyLi5k ZGY5ZjlkZTkgMTAwNjQ0Ci0tLSBhL1NyYy9zdWJzdC5jCisrKyBiL1NyYy9zdWJzdC5jCkBAIC0z MjcyLDcgKzMyNzIsNyBAQCBwYXJhbXN1YnN0KExpbmtMaXN0IGwsIExpbmtOb2RlIG4sIGNoYXIg KipzdHIsIGludCBxdCwgaW50IHBmX2ZsYWdzLAogICAgICAgICAgICAgICAgICAgICAqaWRlbmQg PSAnXDAnOwogCQkgICAgaWYgKCpzKXsKIAkJCXNpbmdzdWIoJnMpOwotCQkJemVycigiJXM6ICVz IiwgaWRiZWcsIHMpOworCQkJemVycigiJXM6ICVTIiwgaWRiZWcsIHMpOwogCQkgICAgfSBlbHNl CiAJCQl6ZXJyKCIlczogJXMiLCBpZGJlZywgInBhcmFtZXRlciBub3Qgc2V0Iik7CiAgICAgICAg ICAgICAgICAgICAgIC8qCmRpZmYgLS1naXQgYS9TcmMvdXRpbHMuYyBiL1NyYy91dGlscy5jCmlu ZGV4IDBmZGE5MjcwOS4uMDQ4MmYzMzE2IDEwMDY0NAotLS0gYS9TcmMvdXRpbHMuYworKysgYi9T cmMvdXRpbHMuYwpAQCAtMTIzLDYgKzEyMyw3IEBAIHNldF93aWRlYXJyYXkoY2hhciAqbWJfYXJy YXksIFdpZGVjaGFyX2FycmF5IHdjYSkKIAogICAgQ29kZQlBcmd1bWVudCB0eXBlcwkJUHJpbnRz CiAgICAlcwljb25zdCBjaGFyICoJCUMgc3RyaW5nIChudWxsIHRlcm1pbmF0ZWQpCisgICAlUwlj b25zdCBjaGFyICoJCUMgc3RyaW5nIChudWxsIHRlcm1pbmF0ZWQpLCBvdXRwdXQgcmF3CiAgICAl bAljb25zdCBjaGFyICosIGludAlDIHN0cmluZyBvZiBnaXZlbiBsZW5ndGggKG51bGwgbm90IHJl cXVpcmVkKQogICAgJUwJbG9uZwkJCWRlY2ltYWwgdmFsdWUKICAgICVkCWludAkJCWRlY2ltYWwg dmFsdWUKQEAgLTMwOSw2ICszMTAsMTAgQEAgemVycm1zZyhGSUxFICpmaWxlLCBjb25zdCBjaGFy ICpmbXQsIHZhX2xpc3QgYXApCiAJCXN0ciA9IHZhX2FyZyhhcCwgY29uc3QgY2hhciAqKTsKIAkJ bmljZXpwdXRzKHN0ciwgZmlsZSk7CiAJCWJyZWFrOworCSAgICBjYXNlICdTJzoKKwkJc3RyID0g dmFfYXJnKGFwLCBjb25zdCBjaGFyICopOworCQlmcHJpbnRmKGZpbGUsICIlcyIsIHN0cik7CisJ CWJyZWFrOwogCSAgICBjYXNlICdsJzogewogCQljaGFyICpzOwogCQlzdHIgPSB2YV9hcmcoYXAs IGNvbnN0IGNoYXIgKik7Cg== --00000000000039a98b0611dcfd2d--