Lua

Lua is an actively used programming language created in 1993. Lua ( LOO-ə, from Portuguese: lua [ˈlu.(w)ɐ] meaning moon) is a lightweight, multi-paradigm programming language designed primarily for embedded systems and clients. Lua is cross-platform, since the interpreter is written in ANSI C, and has a relatively simple C API. Lua was originally designed in 1993 as a language for extending software applications to meet the increasing demand for customization at the time. Read more on Wikipedia...

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• Lua ranks in the top 1% of languages
• the Lua website
• the Lua wikipedia page
• Lua first appeared in 1993
• Lua was created by Roberto Ierusalimschy
• file extensions for Lua include lua, fcgi, nse, p8, pd_lua, rbxs and wlua
• replit has an online Lua repl
• tryitonline has an online Lua repl
• See also: clu, modula-2, scheme, snobol, falcon, gamemonkey-script, io, javascript, julia, minid, red, ruby, squirrel, tcl, lisp, python, modula, awk, ada, eiffel, haskell, sql, vhdl, self, perl-6, parrot-vm, android, c
• Have a question about Lua not answered here? Email me and let me know how I can help.

Example code from the Hello World Collection:

# Hello World in Lua

print "Hello world"

Example code from Linguist:

-- A simple counting object that increments an internal counter whenever it receives a bang at its first inlet, or changes to whatever number it receives at its second inlet.

local HelloCounter = pd.Class:new():register("h-counter")

function HelloCounter:initialize(sel, atoms)
	self.inlets = 2
	self.outlets = 1
	self.num = 0
	return true
end

function HelloCounter:in_1_bang()
	self:outlet(1, "float", {self.num})
	self.num = self.num + 1
end

function HelloCounter:in_2_float(f)
	self.num = f
end

Example code from Wikipedia:

$ cc -o example example.c -llua
$ ./example
Result: 8

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Last updated February 18th, 2020

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