Get containing path of lua file

Question

I am wondering if there is a way of getting the path to the currently executing lua script file?

This is specifically not the current working directory, which could be

Answer 1

Have a look at the Lua debug library, which is part of the standard Lua distribution. You can use debug.getinfo to find the current file, or the file up N frames on the call stack:

http://www.lua.org/manual/5.1/manual.html#5.9

Note that this is probably fairly slow, so it is not something you want to do on the fast path if you are worried about such things.