How To Install perl-true on CentOS 7

In this tutorial we learn how to install perl-true on CentOS 7. perl-true is Automatically return a true value when a file is required

Introduction

In this tutorial we learn how to install perl-true on CentOS 7.

What is perl-true

Perl’s require built-in (and its use wrapper) requires the files it loads to return a true value. This is usually accomplished by placing a single 1; statement at the end of included scripts or modules. It’s not onerous to add but it’s a speed bump on the Perl novice’s road to enlightenment. In addition, it appears to be a non-sequitur to the uninitiated, leading some to attempt to mitigate its appearance with a comment 1; # keep require happy or 1; # Do not remove this line or even 1; # Must end with this, because Perl is bogus. This module packages this “return true” behavior so that it need not be written explicitly. It can be used directly, but it is intended to be invoked from the import method of a Modern conveniences and cleans up legacy Perl warts.

We can use yum or dnf to install perl-true on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install perl-true.

Install perl-true on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install perl-true using yum by running the following command:

sudo yum -y install perl-true

Install perl-true on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install perl-true using dnf by running the following command:

sudo dnf -y install perl-true

How To Uninstall perl-true on CentOS 7

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

sudo dnf remove perl-true

References

Summary

In this tutorial we learn how to install perl-true on CentOS 7 using yum and dnf.