ok, message = os.rename (oldname, newname)
Renames a file. On success, returns true. If it cannot, it returns nil followed by an error message. os.rename("test.txt", "test2.txt") --> true os.rename("test.txt", "test2.txt") --> nil, test.txt: File exists
os.rename("test.txt", "test2.txt") --> true os.rename("test.txt", "test2.txt") --> nil, test.txt: File exists