How To Install rubygem-hpricot on CentOS 8

rubygem-hpricot is A Fast, Enjoyable HTML Parser for Ruby

Introduction

In this tutorial we learn how to install rubygem-hpricot on CentOS 8.

What is rubygem-hpricot

Hpricot is a very flexible HTML parser, based on Tanaka Akira’s HTree and John Resig’s JQuery, but with the scanner recoded in C (using Ragel for scanning.)

We can use yum or dnf to install rubygem-hpricot on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-hpricot.

Install rubygem-hpricot 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 rubygem-hpricot using dnf by running the following command:

sudo dnf -y install rubygem-hpricot

Install rubygem-hpricot 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 rubygem-hpricot using yum by running the following command:

sudo yum -y install rubygem-hpricot

How To Uninstall rubygem-hpricot on CentOS 8

To uninstall only the rubygem-hpricot package we can use the following command:

sudo dnf remove rubygem-hpricot

rubygem-hpricot Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/3d
/usr/lib/.build-id/3d/1c2e1f8b8aa186512f396796605fae993fd816
/usr/lib/.build-id/ee
/usr/lib/.build-id/ee/9cadc618a5a96ebf3b194821b6b21b9dcb2bb5
/usr/lib64/gems/ruby/hpricot-0.8.6
/usr/lib64/gems/ruby/hpricot-0.8.6/fast_xs.so
/usr/lib64/gems/ruby/hpricot-0.8.6/gem.build_complete
/usr/lib64/gems/ruby/hpricot-0.8.6/hpricot_scan.so
/usr/share/gems/cache/hpricot-0.8.6.gem
/usr/share/gems/gems/hpricot-0.8.6
/usr/share/gems/gems/hpricot-0.8.6/CHANGELOG
/usr/share/gems/gems/hpricot-0.8.6/COPYING
/usr/share/gems/gems/hpricot-0.8.6/README.md
/usr/share/gems/gems/hpricot-0.8.6/ext
/usr/share/gems/gems/hpricot-0.8.6/ext/fast_xs
/usr/share/gems/gems/hpricot-0.8.6/ext/fast_xs/FastXsService.java
/usr/share/gems/gems/hpricot-0.8.6/ext/hpricot_scan
/usr/share/gems/gems/hpricot-0.8.6/ext/hpricot_scan/HpricotCss.java
/usr/share/gems/gems/hpricot-0.8.6/ext/hpricot_scan/HpricotScanService.java
/usr/share/gems/gems/hpricot-0.8.6/extras
/usr/share/gems/gems/hpricot-0.8.6/extras/hpricot.png
/usr/share/gems/gems/hpricot-0.8.6/lib
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/blankslate.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/builder.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/elements.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/htmlinfo.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/inspect.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/modules.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/parse.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/tag.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/tags.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/traverse.rb
/usr/share/gems/gems/hpricot-0.8.6/lib/hpricot/xchar.rb
/usr/share/gems/specifications/hpricot-0.8.6.gemspec

References

Summary

In this tutorial we learn how to install rubygem-hpricot on CentOS 8 using yum and dnf.