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
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