require()

#!/usr/bin/env lua

print(require("compat"))
print(require("compat"))

print(LUA_PATH)

print(_LOADED)
for k,v in pairs(_LOADED) do
  print(k, "=", v)
end

で、

true
true
/home/nnakamur/.lua50/?.lua;/home/nnakamur/.lua50/?;/home/nnakamur/share/lua50/?.lua;/home/nnakamur/share/lua50/?;/usr/share/lua50/?.lua;/usr/share/lua50/?;/usr/local/share/lua50/?.lua;/usr/local/share/lua50/?;?.lua;?
table: 0x804daa8
compat	=	true