How To Install texlive-iftex on CentOS 7

In this tutorial we learn how to install texlive-iftex on CentOS 7. texlive-iftex is Am I running under pdfTeX, XeTeX or LuaTeX?

Introduction

In this tutorial we learn how to install texlive-iftex on CentOS 7.

What is texlive-iftex

The package, which works both for Plain TeX and for LaTeX, defines the \ifPDFTeX, \ifXeTeX, and \ifLuaTeX conditionals for testing which engine is being used for typesetting. The package also provides the \RequirePDFTeX, \RequireXeTeX, and \RequireLuaTeX commands which throw an error if pdfTeX, XeTeX or LuaTeX (respectively) is not the engine in use. date

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

Install texlive-iftex on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install texlive-iftex

Install texlive-iftex 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 texlive-iftex using dnf by running the following command:

sudo dnf -y install texlive-iftex

How To Uninstall texlive-iftex on CentOS 7

To uninstall only the texlive-iftex package we can use the following command:

sudo dnf remove texlive-iftex

References

Summary

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