On 12/16/2023 10:55 PM, Karl Crary via Cygwin wrote:
Dear all,
I am encountering a bug wherein Cygwin is not passing arguments to most Windows programs (although Cygwin programs are
doing fine).
For example, the following command ought to be dumping a lot of usage information, but instead it starts a command
prompt, which is what it does when not passed any argument.
$ cmd /?
Microsoft Windows [Version 10.0.22621.2715]
(c) Microsoft Corporation. All rights reserved.
C:\crary>
I am experiencing the same behavior with bash, tcsh, zsh, and also make. In addition to cmd, I've also confirmed that
arguments are not being passed to wsl, explorer, and (Miktex's) latex. Some third-party apps are getting their
arguments, including Standard ML of New Jersey.
This is a brand-new install on a brand-new Windows 11 machine. (A Dell Precision 3660 tower, if that matters.) I also
tried varying the cygwin dll version (a little, not exhaustively) to no effect.
Any theory as to what could be going on would be most appreciated.
My cygcheck output (lightly redacted) follows.
Karl Crary
Cygwin's shell (generally bash) will try to pattern match ("glob") the /?
because of the ? . I get intended results if I type:
cmd '/?'
Because what is in the root directory / may vary from system to system,
behavior without the quotes will may vary.
HTH -- EM
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