How To Install libocrad-dev on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libocrad-dev on Ubuntu 18.04.
What is libocrad-dev
libocrad-dev is:
GNU Ocrad is an OCR (Optical Character Recognition) program based on a feature extraction method. It reads a bitmap image in pgm/pbm format and produces text in byte (8-bit) or UTF-8 formats.
Ocrad includes a layout analyzer able to separate the columns or blocks of text normally found on printed pages.
This package includes the static library.
There are three methods to install libocrad-dev on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libocrad-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libocrad-dev using apt-get by running the following command:
sudo apt-get -y install libocrad-dev
Install libocrad-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libocrad-dev using apt by running the following command:
sudo apt -y install libocrad-dev
Install libocrad-dev Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install libocrad-dev using aptitude by running the following command:
sudo aptitude -y install libocrad-dev
How To Uninstall libocrad-dev on Ubuntu 18.04
To uninstall only the libocrad-dev package we can use the following command:
sudo apt-get remove libocrad-dev
Uninstall libocrad-dev And Its Dependencies
To uninstall libocrad-dev and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libocrad-dev
Remove libocrad-dev Configurations and Data
To remove libocrad-dev configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libocrad-dev
Remove libocrad-dev configuration, data, and all of its dependencies
We can use the following command to remove libocrad-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libocrad-dev
References
Summary
In this tutorial we learn how to install libocrad-dev package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.