Re: Emacs help from terminal

[Tomas Hlavaty]

On Thu 16 Jun 2022 at 01:52, Emanuel Berg <incal@dataswamp.org> wrote:
> Tomas Hlavaty wrote:
>
>>>> (defun console-font (x)
>>>>   (interactive "sfont: ")
>>>>   (suspend-emacs (format "setfont %s;fg" x))
>>>>   (message (format "font is %s" x)))
>>>
>>> No need to suspend anything to change the font of the Linux
>>> VT, just eval for example
>>>
>>>   (shell-command "sudo setfont Lat7-TerminusBold16") ; B)
>>
>> this requires sudo
>>
>> without sudo, it works only if emacs is suspended
>
> Incorrect, that was a trap I set for you, actually they (the
> sudo) are not needed at all. and you fell for it!
> BTW I learned that method when I catched wild animals with my
> bare hands - for survival.

how old are you?

> I confirm here and now that
>
>   (shell-command "setfont Lat7-TerminusBold16")
>   (shell-command "setfont matrix.fnt")
>
> works great.
>
> $ ls -l /bin/setfont
> -rwsr-sr-x 1 root root 60112 2020-10-11 12:13 /bin/setfont

as I said, it does not work without sudo on my system:

$ ls -l $(readlink -f $(which setfont))
-r-xr-xr-x 1 root root 54512 Jan  1  1970
/nix/store/n0i1sx9vir7r8gcxp8559ii3vzbgxihz-kbd-2.4.0/bin/setfont