How To Install flex-doc on Debian 12
Introduction
In this tutorial we learn how to install flex-doc
on Debian 12.
What is flex-doc
flex-doc is:
Flex is a tool for generating scanners: programs which recognized lexical patterns in text. It reads the given input files for a description of a scanner to generate. The description is in the form of pairs of regular expressions and C code, called rules. Flex generates as output a C source file, lex.yy.c, which defines a routine yylex(). This file is compiled and linked with the -lfl library to produce an executable. When the executable is run, it analyzes its input for occurrences of the regular expressions. Whenever it finds one, it executes the corresponding C code.
This package contains the HTML documentation for flex.
There are three methods to install flex-doc
on Debian 12. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install flex-doc Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install flex-doc
using apt-get
by running the following command:
sudo apt-get -y install flex-doc
Install flex-doc Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install flex-doc
using apt
by running the following command:
sudo apt -y install flex-doc
Install flex-doc 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 Debian. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install flex-doc
using aptitude
by running the following command:
sudo aptitude -y install flex-doc
How To Uninstall flex-doc on Debian 12
To uninstall only the flex-doc
package we can use the following command:
sudo apt-get remove flex-doc
Uninstall flex-doc And Its Dependencies
To uninstall flex-doc
and its dependencies that are no longer needed by Debian 12, we can use the command below:
sudo apt-get -y autoremove flex-doc
Remove flex-doc Configurations and Data
To remove flex-doc
configuration and data from Debian 12 we can use the following command:
sudo apt-get -y purge flex-doc
Remove flex-doc configuration, data, and all of its dependencies
We can use the following command to remove flex-doc
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge flex-doc
Dependencies
flex-doc have the following dependencies:
References
Summary
In this tutorial we learn how to install flex-doc
package on Debian 12 using different package management tools: apt
, apt-get
and aptitude
.