How To Install fparser on Fedora 34

fparser is Function parser library for C++ Function parser library for C++

Introduction

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

What is `fparser`

This C++ library offers a class which can be used to parse and evaluate a mathematical function from a string (which might be for example requested from the user). The syntax of the function string is similar to mathematical expressions written in C/C++. fparser 4.5.2 14.fc34 x86_64 165 k fparser-4.5.2-14.fc34.src.rpm fedora Function parser library for C++ http LGPLv3 This C++ library offers a class which can be used to parse and evaluate a mathematical function from a string (which might be for example requested from the user). The syntax of the function string is similar to mathematical expressions written in C/C++.

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

Install fparser 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 fparser using dnf by running the following command:

sudo dnf -y install fparser

Install fparser 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 fparser using yum by running the following command:

sudo yum -y install fparser

How To Uninstall fparser on Fedora 34

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

sudo dnf remove fparser

fparser Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/49
/usr/lib/.build-id/49/70d914a0d0b9abef6544d6d98fef0c900daf11
/usr/lib/libfparser-4.5.so
/usr/share/doc/fparser
/usr/share/doc/fparser/gpl.txt
/usr/share/doc/fparser/lgpl.txt
/usr/lib/.build-id
/usr/lib/.build-id/9a
/usr/lib/.build-id/9a/59196069ff3e8bca211fbdf358d460fe9a8a8b
/usr/lib64/libfparser-4.5.so
/usr/share/doc/fparser
/usr/share/doc/fparser/gpl.txt
/usr/share/doc/fparser/lgpl.txt

References

[fparser website](http://warp.povusers.org/FunctionParser/ http://warp.povusers.org/FunctionParser/)

Summary

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