How To Install args4j on CentOS 7

In this tutorial we learn how to install args4j on CentOS 7. args4j is Small Java lib that makes it easy to parse command line

Introduction

In this tutorial we learn how to install args4j on CentOS 7.

What is args4j

args4j is a small Java class library that makes it easy to parse command line options/arguments in your CUI application. - It makes the command line parsing very easy by using annotations. - You can generate the usage screen very easily. - You can generate HTML/XML that lists all options for your documentation. - Fully supports localization. - It is designed to parse javac like options (as opposed to GNU-style where ls -lR is considered to have two options l and R.) args4j-tools are development-time tools for generating additional artifacits.

We can use yum or dnf to install args4j on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install args4j.

Install args4j on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install args4j using yum by running the following command:

sudo yum -y install args4j

Install args4j 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 args4j using dnf by running the following command:

sudo dnf -y install args4j

How To Uninstall args4j on CentOS 7

To uninstall only the args4j package we can use the following command:

sudo dnf remove args4j

References

Summary

In this tutorial we learn how to install args4j on CentOS 7 using yum and dnf.