Parsing config files with Lua

Not all applications need configuration files; many applications benefit from starting fresh each time they are launched. Simple utilities, for instance, rarely require preferences or settings that persist across uses. However, when you write a complex application, it[he]#039[/he]s nice for users to be able to configure how they interact with it and how it interacts with their system. That[he]#039[/he]s what configuration files are for, and this article discusses some of the ways you can implement persistent settings with the Lua programming language.