Install libpetal-utils-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libpetal-utils-perl
Useful template modifiers for Petal
Petal::Utils contains commonly used Petal modifiers (or plugins), and bundles them with an easy-to-use installation interface. . Petal is an XML based templating engine that is able to process any kind of XML, XHTML and HTML.