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# lu9 -- Lua for Plan 9 space
lu9 is an umbrella project providing a native Plan 9 port of the Lua
library and several other libraries and programs built on top of it.
The project is currently comprised of the following:
* [lu9](https://git.sr.ht/~kvik/lu9) is a simple Lua interpreter
host intended for running standalone Lua programs and interactive
usage. It also serves as an example on how to use the Lua library
in your own programs.
* [lu9-lua](https://git.sr.ht/~kvik/lu9-lua) is a Lua 5.4 library
patched to work well within the Plan 9 environment. It does not
depend on any other code in this project.
Unlike many previous ports it does *NOT* use APE, the POSIX
emulation layer, which means that you can use it alongside regular
Plan 9 libraries.
* [lu9-p9](https://git.sr.ht/~kvik/lu9-p9) is a system interface
module providing access to system calls and other useful libc
interfaces. It also provides some higher-level interfaces for
the most common tasks.
* [lu9-lpeg](https://git.sr.ht/~kvik/lu9-lpeg) is a simple port
of the LPeg pattern matching module.
Check the respective repositories for more information.
## lu9(1) standalone interpreter
### Building and installing
Building and installing lu9 is simple: grab this repository,
pull the dependencies, and run `mk install`.
; git/clone https://git.sr.ht/~kvik/lu9
; mk pull
; mk install
Only the lu9 binary and Lua modules get installed into the system.
The binary is statically linked so no C libraries have to be installed.
Check the [lu9(1) manual page](http://a-b.xyz/man/1/lu9) for more
; man lu9
All of my original work is released under the MIT license, the same
license used by Lua and LPeg.