CTAN has a new package: lua-alt-getopt

[CTAN Announcements]

This should be at your local mirror within a day.

Thanks again,
Jim Hef{}feron
Saint Michael's College

...........................................................................

Name of contribution: lua-alt-getopt
Version number: 0.7.0
Author's name: Khaled Hosny
Summary description: A lua module for processing application's arguments the same way 
  BSD/GNU getopt_long(3) functions do.
License type: other-free

Announcement text: 
----------------------------------------------------------------------
lua_altgetopt is a MIT-licenced module for Lua programming
language for processing application's arguments the same way
BSD/GNU getopt_long(3) functions do.

This module is made available for lua script writers to have
consistent command line parsing routines.
----------------------------------------------------------------------

This package is located at 
   http://tug.ctan.org/tex-archive/macros/luatex/generic/lua-altgetopt
.  More information is at
   http://tug.ctan.org/pkg/lua-alt-getopt
(if the package is new it may take a day for that information to 
appear).  We are supported by the TeX Users Group http://www.tug.org .  
Please join a users group; see http://www.tug.org/usergroups.html .