libforest-perl software package provides collection of N-ary tree related modules, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libforest-perl
libforest-perl is installed in your system.
Make ensure the libforest-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libforest-perl *
You will get with libforest-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libforest-perl |
| Version | 0.10-1 |
| Description | collection of N-ary tree related modules |
| Sub Section | Perl |