Penlight Lua Libraries

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Why a new set of libraries?

Penlight brings together a set of generally useful pure Lua modules, focusing on input data handling (such as reading configuration files), functional programming (such as map, reduce, placeholder expressions, etc), and OS path management. Much of the functionality is inspired by the Python standard libraries.

Module Overview

Paths, Files and Directories

Application Support

Extra String Operations

Extra Table Operations

Iterators, OOP and Functional

Installation

Using LuaRocks: simply run luarocks install penlight.

Manually: copy lua/pl directory into your Lua module path. It's typically /usr/local/share/lua/5.x on a Linux system and C:\Program Files\Lua\5.x\lua for Lua for Windows.

Dependencies

The file and directory functions depend on LuaFileSystem, which is installed automatically if you are using LuaRocks. Additionally, if you want dir.copyfile to work elegantly on Windows, then you need Alien. Both libraries are present in Lua for Windows.

Building the Documentation

Requires ldoc, which is available through LuaRocks. Then it's a simple matter of running ldoc in the docs folder.

``` Penlight/docs$ ldoc . ```

Running tests

Execute lua run.lua tests to run the tests. Execute lua run.lua examples to run examples.