libfile-mmagic-perl software package provides Perl module to guess file type, 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 libfile-mmagic-perl
libfile-mmagic-perl is installed in your system.
Make ensure the libfile-mmagic-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfile-mmagic-perl *
You will get with libfile-mmagic-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libfile-mmagic-perl |
| Version | 1.30-1 |
| Description | Perl module to guess file type |
| Sub Section | Perl |