libterm-readline-gnu-perl binary package in Ubuntu Focal riscv64

 Term::ReadLine::Gnu is a Perl interface to the GNU ReadLine Library, allowing
 developers to provide features including input line editing, input history
 management, word completion and more.
 .
 Through this module, you have access to almost all variables and functions as
 documented in the GNU ReadLine/History Library. This means you can write your
 custom editing function, custom completion function, and so on, with Perl.
 You may find it useful for prototyping before programming with C.

Source package