Information about the package, alex, which is shipped with common Linux distributions. The alex package is designed for, A lexer generator for Haskell.
Package Name:
alex
Summary:
A lexer generator for Haskell
Description:
Alex is a tool for generating lexical analysers in Haskell, given a description of the tokens to be recognised in the form of regular expressions. It is similar to the tool lex or flex for C/C++.
Architecture:
x86_64
Version:
2.3.5
Release:
6.el6.2
Size:
112 k
Repository:
epel
From Repository:
Licence:
BSD
Control the alex package with the following handy commands outlined below.
yum install alex
This command will install alex on the server.
yum remove alex
This command will un-install alex on the server. When you run this command, you will be asked if you are sure that you want to remove alex, so you have to manually confirm that you want to do this.
yum -y remove alex
This command will un-install alex on the server. When you run this command with th e -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove alex when using the -y flag.
yum update alex
This command will update alex to the latest version. When you run this command, you will be asked if you are sure that you want to remove alex, so you have to manually confirm that you want to do this.
yum -y update alex
This command will update alex to the latest version. When you run this command with the -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove alex when using the -y flag.
yum info alex
This command will show you core information about the alex package.
yum deplist alex
This command will show you the dependencies for alex. Thankfully, when using Yum, if dependencies are required, these are also installed at the same time so you don't have to worry too much about that.
yum check-update alex
This command will check if there is an update waiting on alex. When you run this command this will return nothing if there is nothing to update, or, will return the package name if the package is due to be updated.