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On Aug 25, 2005, at 15:18, Roberto Ierusalimschy wrote:

Follows a nice script to detect missing "local" declarations and other
"wrong" uses of global variables.

Simply put it in your path and add  require"strict" to your program
(or call "lua -lstrict").

This is very handy, as well as the related 'lua -w' flag.

That said, if you have the misfortune to require a module, you are toasted:

lua -w Test.lua
lua: attempt to access undefined variable '_NAME'
stack traceback:
        [C]: ?
        [C]: in function 'module'
        .../socket.lua:14: in main chunk
        [C]: in function 'require'
        Test.lua:10: in main chunk
        [C]: ?


PA, Onnay Equitursay