libhash-diff-perl software package provides module for creating the difference between two hashes, 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 libhash-diff-perl
libhash-diff-perl is installed in your system.
Make ensure the libhash-diff-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libhash-diff-perl *
You will get with libhash-diff-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libhash-diff-perl |
| Version | 0.005-1 |
| Description | module for creating the difference between two hashes |
| Sub Section | Perl |