From: Eliot Moss <moss@cs.umass.edu>
To: Dan Shelton <dan.f.shelton@gmail.com>, cygwin@cygwin.com
Subject: Re: /usr/bin/sg in Cygwin?
Date: Sun, 21 Apr 2024 21:35:04 -0400 [thread overview]
Message-ID: <c772b67d-be50-5b75-1b2b-99d9f1c5a717@cs.umass.edu> (raw)
In-Reply-To: <CAAvCNcB_vuStJjnd+GohVM-y=AHZBUP=Gi5A+AAgnddP3wDdQQ@mail.gmail.com>
On 4/21/2024 7:20 PM, Dan Shelton via Cygwin wrote:
> On Sat, 20 Apr 2024 at 07:39, Brian Inglis via Cygwin <cygwin@cygwin.com> wrote:
>>
>> On 2024-04-19 17:47, Dan Shelton via Cygwin wrote:
>>> On Fri, 23 Feb 2024 at 22:25, Dan Shelton wrote:
>>>> Is there a package which provides /usr/bin/sg (execute shell commands
>>>> in a different group)?
>>
>> The POSIX standard command is newgrp - install cygwin-doc to see Cygwin (and
>> newlib libc) man pages (and info, html, PDF docs), man-pages-posix to see POSIX
>> man pages, and man-pages-linux if you want to see recent Linux release man pages.
>>
>> To see possibly relevant commands, run:
>>
>> $ apropos -s 1,1p group
>> chgrp (1) - change group ownership
>> chgrp (1p) - change the file group ownership
>> chown (1) - change file owner and group
>> g3topbm (1) - convert a Group 3 fax file into a PBM image
>> groups (1) - print the groups a user is in
>> id (1) - print real and effective user and group IDs
>> make (1) - GNU Make utility to maintain groups of programs
>> make (1p) - maintain, update, and regenerate groups of programs
>> mkgroup (1) - Write /etc/group-like output to stdout
>> newgrp (1) - change primary group for a command
>> newgrp (1p) - change to a new group
>> pbmtog3 (1) - convert a PBM image into a Group 3 MH fax file
>
> newgrp(1) is USELESS. It only opens an interactive shell, but does not
> allow the user to execute a non-interactive script with the requested
> group like bash -c does.
??
The man pages has:
newgrp [-] [group] [command [args...]]
which implies to me that you can give a command.
Did that not work for you? EM
next prev parent reply other threads:[~2024-04-22 1:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 21:25 Dan Shelton
2024-04-19 23:47 ` Dan Shelton
2024-04-20 5:38 ` Brian Inglis
2024-04-21 23:20 ` Dan Shelton
2024-04-22 1:35 ` Eliot Moss [this message]
2024-04-22 8:46 ` Corinna Vinschen
2024-04-22 5:55 ` Cedric Blancher
2024-04-22 8:54 ` Corinna Vinschen
2024-04-22 5:35 ` Cedric Blancher
2024-04-22 17:40 ` Brian Inglis
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