How To Install alex on Fedora 34
Introduction
In this tutorial we learn how to install alex on Fedora 34.
What is alex
Alex is a tool for generating lexical analysers in Haskell. It takes a description of tokens based on regular expressions and generates a Haskell module containing code for scanning text efficiently. It is similar to the tool lex or flex for C/C++.
We can use yum or dnf to install alex on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install alex.
Install alex on Fedora 34 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install alex using dnf by running the following command:
sudo dnf -y install alex
Install alex on Fedora 34 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
Fedora 34 - x86_64 20 kB/s | 6.6 kB 00:00
Fedora 34 openh264 (From Cisco) - x86_64 1.4 kB/s | 989 B 00:00
Fedora Modular 34 - x86_64 68 kB/s | 6.5 kB 00:00
Fedora 34 - x86_64 - Updates 3.5 kB/s | 6.2 kB 00:01
Fedora Modular 34 - x86_64 - Updates 17 kB/s | 5.9 kB 00:00
Metadata cache created.
After updating yum database, We can install alex using yum by running the following command:
sudo yum -y install alex
How To Uninstall alex on Fedora 34
To uninstall only the alex package we can use the following command:
sudo dnf remove alex
alex Package Contents on Fedora 34
/usr/bin/alex
/usr/lib/.build-id
/usr/lib/.build-id/61
/usr/lib/.build-id/61/c63460d30ca34614abfc7ba843a03e9a251770
/usr/share/alex-3.2.5
/usr/share/alex-3.2.5/AlexTemplate
/usr/share/alex-3.2.5/AlexTemplate-debug
/usr/share/alex-3.2.5/AlexTemplate-ghc
/usr/share/alex-3.2.5/AlexTemplate-ghc-debug
/usr/share/alex-3.2.5/AlexTemplate-ghc-nopred
/usr/share/alex-3.2.5/AlexWrapper-basic
/usr/share/alex-3.2.5/AlexWrapper-basic-bytestring
/usr/share/alex-3.2.5/AlexWrapper-gscan
/usr/share/alex-3.2.5/AlexWrapper-monad
/usr/share/alex-3.2.5/AlexWrapper-monad-bytestring
/usr/share/alex-3.2.5/AlexWrapper-monadUserState
/usr/share/alex-3.2.5/AlexWrapper-monadUserState-bytestring
/usr/share/alex-3.2.5/AlexWrapper-posn
/usr/share/alex-3.2.5/AlexWrapper-posn-bytestring
/usr/share/alex-3.2.5/AlexWrapper-strict-bytestring
/usr/share/doc/alex
/usr/share/doc/alex/CHANGELOG.md
/usr/share/doc/alex/README.md
/usr/share/doc/alex/TODO
/usr/share/doc/alex/alex
/usr/share/doc/alex/alex/about.html
/usr/share/doc/alex/alex/alex-files.html
/usr/share/doc/alex/alex/api.html
/usr/share/doc/alex/alex/basic-api.html
/usr/share/doc/alex/alex/bug-reports.html
/usr/share/doc/alex/alex/charsets.html
/usr/share/doc/alex/alex/fptools.css
/usr/share/doc/alex/alex/index.html
/usr/share/doc/alex/alex/introduction.html
/usr/share/doc/alex/alex/invoking.html
/usr/share/doc/alex/alex/license.html
/usr/share/doc/alex/alex/regexps.html
/usr/share/doc/alex/alex/relnotes-20.html
/usr/share/doc/alex/alex/relnotes-210.html
/usr/share/doc/alex/alex/relnotes-22.html
/usr/share/doc/alex/alex/syntax.html
/usr/share/doc/alex/alex/types.html
/usr/share/doc/alex/alex/wrappers.html
/usr/share/doc/alex/examples
/usr/share/doc/alex/examples/Makefile
/usr/share/doc/alex/examples/Tokens.x
/usr/share/doc/alex/examples/Tokens_gscan.x
/usr/share/doc/alex/examples/Tokens_posn.x
/usr/share/doc/alex/examples/examples.x
/usr/share/doc/alex/examples/haskell.x
/usr/share/doc/alex/examples/lit.x
/usr/share/doc/alex/examples/pp.x
/usr/share/doc/alex/examples/state.x
/usr/share/doc/alex/examples/tiny.y
/usr/share/doc/alex/examples/words.x
/usr/share/doc/alex/examples/words_monad.x
/usr/share/doc/alex/examples/words_posn.x
/usr/share/licenses/alex
/usr/share/licenses/alex/LICENSE
/usr/share/man/man1/alex.1.gz
References
Summary
In this tutorial we learn how to install alex on Fedora 34 using yum and dnf.