LUA

Lua is a portable interpreted language. It is mainly used in Games, however it is also used by NMAP's Scripting Engine

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Variables

In Lua, variables are very simple, you don't even have to declare a datatype, all you need to do is assign a value.

Var = 1 Var2 = "Im a var!" Var3 = 2 Var4 = Var * Var3

Global Variables vs Local Variables

When you declare a variable in Lua, it is globally accessible unless otherwise specified with local.

GlobalVar = 0 local LocalVar = 1337

Functions

Functions in lua are quite easy as well.

function SimpleAddition(x,y,z) local Sum = x + y + z --only accessible from within this context. SumTimesTwo = Sum * 2 -- can be referenced from anywhere in the current file, or wherever file is loaded. return Sum end

LUA is part of a series on programming.
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