How To Install gengetopt on CentOS 8
Introduction
In this tutorial we learn how to install gengetopt on CentOS 8.
What is gengetopt
Gengetopt is a tool to generate C code to parse the command line arguments argc and argv that are part of every C or C++ program. The generated code uses the C library function getopt_long to perform the actual command line parsing.
We can use yum or dnf to install gengetopt on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install gengetopt.
Install gengetopt on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install gengetopt using dnf by running the following command:
sudo dnf -y install gengetopt
Install gengetopt on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install gengetopt using yum by running the following command:
sudo yum -y install gengetopt
How To Uninstall gengetopt on CentOS 8
To uninstall only the gengetopt package we can use the following command:
sudo dnf remove gengetopt
gengetopt Package Contents on CentOS 8
/usr/bin/gengetopt
/usr/lib/.build-id
/usr/lib/.build-id/65
/usr/lib/.build-id/65/0f6db07a733af6986c317f7ece63b93afd47b4
/usr/share/doc/gengetopt
/usr/share/doc/gengetopt/AUTHORS
/usr/share/doc/gengetopt/ChangeLog
/usr/share/doc/gengetopt/NEWS
/usr/share/doc/gengetopt/README
/usr/share/doc/gengetopt/THANKS
/usr/share/doc/gengetopt/TODO
/usr/share/doc/gengetopt/examples
/usr/share/doc/gengetopt/examples/README.example
/usr/share/doc/gengetopt/examples/main1.cc
/usr/share/doc/gengetopt/examples/main2.c
/usr/share/doc/gengetopt/examples/sample1.ggo
/usr/share/doc/gengetopt/examples/sample2.ggo
/usr/share/doc/gengetopt/gengetopt.html
/usr/share/doc/gengetopt/index.html
/usr/share/gengetopt
/usr/share/gengetopt/getopt.c
/usr/share/gengetopt/getopt1.c
/usr/share/gengetopt/gnugetopt.h
/usr/share/info/gengetopt.info.gz
/usr/share/info/index.info.gz
/usr/share/licenses/gengetopt
/usr/share/licenses/gengetopt/COPYING
/usr/share/licenses/gengetopt/LICENSE
/usr/share/man/man1/gengetopt.1.gz
References
Summary
In this tutorial we learn how to install gengetopt on CentOS 8 using yum and dnf.