$ sudo apt-get update
$ sudo apt-get install libclearsilver-perl 

libclearsilver-perl is installed in your system.

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

$ sudo dpkg-query -l | grep libclearsilver-perl *

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

libclearsilver-perl package basic information: