On Tuesday 05 of February 2019 03:15:39 Felix Miata wrote:
> Slávek Banko composed on 2019-02-05 01:06 (UTC+0100):
> > First, for XAUTHORITY should be:
> > XAUTHORITY=/var/run/xauth/A${DISPLAY}-*
>
> This works:
> DISPLAY=:0 XAUTHORITY=/var/run/xauth/A${DISPLAY}-msFdGa import -window
> root iitdm.png
>
> These do not
> DISPLAY=:0 XAUTHORITY=/var/run/xauth/A${DISPLAY}-* import -window root
> iitdm.png DISPLAY=:0 XAUTHORITY=/var/run/xauth/A${DISPLAY}* import
> -window root iitdm.png
>
> Of course, the one that does work requires lookup of the content of
> /var/run/xauth/ after a reboot.
>
> > Second, I do not see in the man page that xwd would accept the
> > environment variable XAUTHORITY or option like -auth or -xauth.
>
> I don't know why the URL I was working from used xwd instead of import.
>
> Another URL that fails to provide a way that works, it too is for gdm:
> https://www.howtoforge.com/how-to-take-a-screenshot-of-your-login-scree
>n
>
> Search on kde.org only found shooting desktop with Spectacle, not
> greeter.
You can use find in subshell:
DISPLAY=:0 XAUTHORITY=$(find /var/run/xauth/ -name "A${DISPLAY}-*") \
import -window root iitdm.png
--
Slávek
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