How To Install libsub-identify-perl on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libsub-identify-perl on Ubuntu 18.04.
What is libsub-identify-perl
libsub-identify-perl is:
Sub::Identify allows you to retrieve the real name of code references. For this, it uses perl’s introspection mechanism, provided by the B module.
It provides four functions : sub_name returns the name of the subroutine (or ANON if it’s an anonymous code reference), stash_name returns its package, and sub_fullname returns the concatenation of the two.
The fourth function, get_code_info, returns a list of two elements, the package and the subroutine name (in case of you want both and are worried by the speed.)
In case of subroutine aliasing, those functions always return the original name.
There are three methods to install libsub-identify-perl on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libsub-identify-perl Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libsub-identify-perl using apt-get by running the following command:
sudo apt-get -y install libsub-identify-perl
Install libsub-identify-perl Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libsub-identify-perl using apt by running the following command:
sudo apt -y install libsub-identify-perl
Install libsub-identify-perl Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install libsub-identify-perl using aptitude by running the following command:
sudo aptitude -y install libsub-identify-perl
How To Uninstall libsub-identify-perl on Ubuntu 18.04
To uninstall only the libsub-identify-perl package we can use the following command:
sudo apt-get remove libsub-identify-perl
Uninstall libsub-identify-perl And Its Dependencies
To uninstall libsub-identify-perl and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libsub-identify-perl
Remove libsub-identify-perl Configurations and Data
To remove libsub-identify-perl configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libsub-identify-perl
Remove libsub-identify-perl configuration, data, and all of its dependencies
We can use the following command to remove libsub-identify-perl configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libsub-identify-perl
References
Summary
In this tutorial we learn how to install libsub-identify-perl package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
