Install ruby-trollop by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-trollop
Description:
command-line argument processing library
Trollop is YAFCLAP --- yet another fine commandline argument processor for Ruby. Trollop is designed to provide the maximal amount of GNU-style argument processing in the minimum number of lines of code (for you, the programmer).
Homepage: http://gitorious.org/trollop/mainline
Version: 2.0-2
Section: universe/devel