$ sudo apt-get update
$ sudo apt-get install libsyntax-keyword-gather-perl 

libsyntax-keyword-gather-perl is installed in your system.

Make ensure the libsyntax-keyword-gather-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libsyntax-keyword-gather-perl *

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

libsyntax-keyword-gather-perl package basic information: