“declares that evidence concerning acts for which the President is immune can play no role in any criminal prosecution against him.”
To me (as a non-US citizen and outside observer) this seems to be the real problem. Seems to present a catch-22 to me. What am I missing?
There is also
newt
which is: ...a programming library for color text mode, widget based user interfaces.It also comes with the
whiptail
command for creating TUI interfaces for shell scripts. Similar todialog
(ncurses) orzenity
(QT).