How To Install gocr on Ubuntu 20.04
Introduction
In this tutorial we learn how to install gocr
on Ubuntu 20.04.
What is gocr
gocr is:
This is a multi-platform OCR (Optical Character Recognition) program.
It can read pnm, pbm, pgm, ppm, some pcx and tga image files.
Currently the program should be able to handle well scans that have their text in one column and do not have tables. Font sizes of 20 to 60 pixels are supported.
If you want to write your own OCR, libgocr is provided in a separate package. Documentation and graphical wrapper are provided in separated packages, too.
There are three methods to install gocr
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install gocr Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install gocr
using apt-get
by running the following command:
sudo apt-get -y install gocr
Install gocr Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install gocr
using apt
by running the following command:
sudo apt -y install gocr
Install gocr 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 gocr
using aptitude
by running the following command:
sudo aptitude -y install gocr
How To Uninstall gocr on Ubuntu 20.04
To uninstall only the gocr
package we can use the following command:
sudo apt-get remove gocr
Uninstall gocr And Its Dependencies
To uninstall gocr
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove gocr
Remove gocr Configurations and Data
To remove gocr
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge gocr
Remove gocr configuration, data, and all of its dependencies
We can use the following command to remove gocr
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge gocr
References
Summary
In this tutorial we learn how to install gocr
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.