How To Install librx on Fedora 34

librx is POSIX regexp functions POSIX regexp functions

Introduction

In this tutorial we learn how to install librx on Fedora 34.

What is `librx`

Rx is, among other things, an implementation of the interface specified by POSIX for programming with regular expressions. Some other implementations are GNU regex.c and Henry Spencer’s regex library. librx 1.5 37.fc34 x86_64 38 k librx-1.5-37.fc34.src.rpm fedora POSIX regexp functions http GPLv2+ Rx is, among other things, an implementation of the interface specified by POSIX for programming with regular expressions. Some other implementations are GNU regex.c and Henry Spencer’s regex library.

We can use yum or dnf to install librx on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install librx.

Install librx on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo dnf -y install librx

Install librx on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo yum -y install librx

How To Uninstall librx on Fedora 34

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

sudo dnf remove librx

librx Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/00
/usr/lib/.build-id/00/9acc3fe7461b26e2f5b9c5adf5a3b739f65d0f
/usr/lib/librx.so.0
/usr/lib/librx.so.0.0.0
/usr/lib/.build-id
/usr/lib/.build-id/24
/usr/lib/.build-id/24/1df76b075bfe4c40b07911dc038e1b9acb4cbe
/usr/lib64/librx.so.0
/usr/lib64/librx.so.0.0.0

References

[librx website](http://www.gnu.org/software/rx/rx.html http://www.gnu.org/software/rx/rx.html)

Summary

In this tutorial we learn how to install librx on Fedora 34 using yum and dnf.