How To Install perl-autovivification on Rocky Linux 8

In this tutorial we learn how to install perl-autovivification on Rocky Linux 8. perl-autovivification is Lexically disable autovivification

Introduction

In this tutorial we learn how to install perl-autovivification on Rocky Linux 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 Rocky Linux 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 Rocky Linux 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 Rocky Linux 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 Rocky Linux 8

To uninstall only the perl-autovivification package we can use the following command:

sudo dnf remove perl-autovivification

perl-autovivification Package Contents on Rocky Linux 8

/usr/lib/.build-id
/usr/lib/.build-id/8a
/usr/lib/.build-id/8a/02e773c27bdaca2ae57ab559a82eb6e70113be
/usr/lib64/perl5/vendor_perl/auto/autovivification
/usr/lib64/perl5/vendor_perl/auto/autovivification/autovivification.so
/usr/lib64/perl5/vendor_perl/autovivification.pm
/usr/share/doc/perl-autovivification
/usr/share/doc/perl-autovivification/Changes
/usr/share/doc/perl-autovivification/README
/usr/share/man/man3/autovivification.3pm.gz

References

Summary

In this tutorial we learn how to install perl-autovivification on Rocky Linux 8 using yum and dnf.