How To Install ocrad on Fedora 34

ocrad is An Optical Character Recognition program

Introduction

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

What is ocrad

GNU Ocrad is an OCR (Optical Character Recognition) program based on a feature extraction method. It reads images in pbm (bitmap), pgm (greyscale) or ppm (color) formats and produces text in byte (8-bit) or UTF-8 formats. Also includes a layout analyser able to separate the columns or blocks of text normally found on printed pages. Ocrad can be used as a stand-alone console application, or as a backend to other programs.

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

Install ocrad 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 ocrad using dnf by running the following command:

sudo dnf -y install ocrad

Install ocrad 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 ocrad using yum by running the following command:

sudo yum -y install ocrad

How To Uninstall ocrad on Fedora 34

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

sudo dnf remove ocrad

ocrad Package Contents on Fedora 34

/usr/bin/ocrad
/usr/lib/.build-id
/usr/lib/.build-id/fa
/usr/lib/.build-id/fa/19b8fbcdf8177619461050739f95873f98ef8d
/usr/share/doc/ocrad
/usr/share/doc/ocrad/AUTHORS
/usr/share/doc/ocrad/COPYING
/usr/share/doc/ocrad/ChangeLog
/usr/share/doc/ocrad/NEWS
/usr/share/doc/ocrad/README
/usr/share/info/ocrad.info.gz
/usr/share/man/man1/ocrad.1.gz

References

Summary

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