How To Install perl-autovivification on AlmaLinux 8
Introduction
In this tutorial we learn how to install perl-autovivification
on AlmaLinux 8.
What is perl-autovivification
When an undefined variable is dereferenced, it gets silently upgraded to an array or hash reference (depending of the type of the dereferencing). This behavior is called autovivification and usually does what you mean (e.g. when you store a value) but it’s sometimes unnatural or surprising because your variables gets populated behind your back. This is especially true when several levels of dereferencing are involved, in which case all levels are vivified up to the last, or when it happens in intuitively read-only constructs like exists.
We can use yum
or dnf
to install perl-autovivification
on AlmaLinux 8. In this tutorial we discuss both methods but you only need to choose one of method to install perl-autovivification.
Install perl-autovivification on AlmaLinux 8 Using dnf
Update yum database with dnf
using the following command.
sudo dnf makecache --refresh
After updating yum database, We can install perl-autovivification
using dnf
by running the following command:
sudo dnf -y install perl-autovivification
Install perl-autovivification on AlmaLinux 8 Using yum
Update yum database with yum
using the following command.
sudo yum makecache --refresh
After updating yum database, We can install perl-autovivification
using yum
by running the following command:
sudo yum -y install perl-autovivification
How To Uninstall perl-autovivification on AlmaLinux 8
To uninstall only the perl-autovivification
package we can use the following command:
sudo dnf remove perl-autovivification
References
Summary
In this tutorial we learn how to install perl-autovivification
on AlmaLinux 8 using yum and dnf.