bug#81360: Acknowledgement (df -P seems to use wrong format)

On Sun, 2026-07-05 at 00:07 -0700, Collin Funk wrote:
> I lean towards keeping the current behavior because -T isn't really a
> distinct output mode that should override (or be overridden) by -P.
> Note
> the difference in the headers here:
>=20
> =C2=A0=C2=A0=C2=A0 $ df -T | head -n 1
> =C2=A0=C2=A0=C2=A0 Filesystem=C2=A0=C2=A0=C2=A0=C2=A0 Type=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 1K-blocks=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Used Available Use%
> Mounted on
> =C2=A0=C2=A0=C2=A0 $ df -P -T | head -n 1
> =C2=A0=C2=A0=C2=A0 Filesystem=C2=A0=C2=A0=C2=A0=C2=A0 Type=C2=A0=C2=A0=C2=
=A0=C2=A0 1024-blocks=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Used Available Capacity
> Mounted on
>=20
> There are also some differences when using -P, as described in the
> manual [1], that one might want combined with the type. Therefore,
> disallowing it would probably not be nice.


Hmm still... the current behaviour seems also sub-optimal.

-P is literally described as:
  "use the POSIX output format"
but then it doesn't, or at least not always.

I guess my main point here is that the option is specifically meant to
get the portable format.


Anyway,... just my opinion :-D


Cheers,
Chris.