libfile-which-perl software package provides Perl module for searching paths for executable programs, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfile-which-perl
libfile-which-perl is installed in your system.
Make ensure the libfile-which-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfile-which-perl *
You will get with libfile-which-perl package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Perl |
| Package | libfile-which-perl |
| Version | 1.19-1 |
| Description | Perl module for searching paths for executable programs |
| Sub Section | Perl |