If understand correctly, https://asciinema.org records screen casts using
that technique. The recordings are in form of .json files.

On Fri, Jul 8, 2016, 9:40 AM Richard Stallman <rms@gnu.org> wrote:

>
> This makes me wonder if a Linux console has the ability to make
> a textual screenshot as an array of characters.
>
-- 

-- 
Kaushal Modi