Install highlight by entering the following commands in the terminal:
sudo apt update sudo apt install highlight
Description:
Universal source code to formatted text converter
A utility that converts sourcecode to HTML, XHTML, RTF, LaTeX, TeX, SVG, XML or terminal escape sequences with syntax highlighting. It supports several programming and markup languages. Language descriptions are configurable and support regular expressions. The utility offers indentation and reformatting capabilities. It is easily possible to create new language definitions and colour themes.
Homepage: http://www.andre-simon.de
Version: 3.41-1
Section: universe/devel