Test whether file is owned by a specific group from bash or powershell level?

[Sam Edge]

On 20/06/2025 13:15, Sebastian Feld via Cygwin wrote:
> Does Cygwin or POSIX have a tool to test whether a file is owned by a
> specific group?
> 
> Win32, like Linux and POSIX, has the concept that files have an owner,
> and a group (ref:https://learn.microsoft.com/en-us/windows/win32/api/aclapi/nf-aclapi-getsecurityinfo).
> 
> How can I test whether a file is owned by a given group name, or not?
> /usr/bin/test -g and -G do not help because they only look and gid,
> egid. But I want to pass the group's name as an argument.
> 
> Sebi

Group name:
stat -c %G <file>

Group ID:
stat -c %g <file>

-- 
Sam Edge
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