I have seen the hash character '#' being added to the front of variables a lot in Lua. What does it do? EXAMPLE -- sort AIs in currentlevel table.sort (level.ais, function (a,b) return a.y < b...

Lua is a powerful, fast, lightweight, embeddable scripting language. Lua combines simple procedural syntax with powerful data description constructs based on associative arrays and extensible semantics.

Jan 7, 2026 · I’m working with an old, unsupported Lua addon (Lua 5.1/LuaJIT). Its entry script appears to be a Luraph-style bootstrap that eventually calls loadstring with a decompressed chunk.

The Lua authors felt that continue was only one of a number of possible new control flow mechanisms (the fact that it cannot work with the scope rules of repeat/until was a secondary factor.)

How to check if a table contains an element in Lua? Asked 15 years, 11 months ago Modified 4 years, 10 months ago Viewed 326k times

@rboy true but the point is, in Lua assigning nil to a table key means deleting it. There's no way to distinguish between keys with nil values and keys with no value, regardless of method.

I'm new to Lua, and need to know how to install it on Windows? I've tried and am unable to run the sample. When I try to compile it 100% success is shown, but when I click the run button it shows t...

Jul 7, 2023 · 15 How do I write an if statement in Lua that negates (inverts/flips) a Boolean variable used as the condition? For example, in Java, one can write:

May 12, 2011 · How can I implement bitwise operators in Lua language? Specifically, I need a XOR operator/method.

Dec 4, 2025 · How do I append to a table in Lua Asked 11 years, 1 month ago Modified 1 month ago Viewed 295k times