Install libforest-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libforest-perl
Description:
collection of N-ary tree related modules
Forest is a collection of Perl modules implementing a generalized N-ary tree data structure. It also includes several modules useful for manipulating this data, including loading data from file, indexing it in memory, and writing it back out to files (in various formats).
Homepage: https://metacpan.org/release/Forest/
Version: 0.10-1
Section: universe/perl