$ sudo apt-get update
$ sudo apt-get install libmousex-getopt-perl 

libmousex-getopt-perl is installed in your system.

Make ensure the libmousex-getopt-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libmousex-getopt-perl *

You will get with libmousex-getopt-perl package name, version, architecture and description in a table

libmousex-getopt-perl package basic information: