From: Charles Comstock <cc1@...>
Date: 2004-07-19T03:12:10+09:00
Subject: Re: ruby idiom for parsing function arguments?

zuzu wrote:
> this may be a silly question, but can someone provide for me the ruby
> idiom for parsing function arguments?  it's not hard coded by array
> position, is it?  is there an idiom for testing arguments for meeting
> criteria and the function making sense of what to do with them?  for
> example, parsing command line arguments which could be flags, a
> url/location, a device, or stdin data...
> 
> for anyone who has used cdrtools or cdrdao, i would like to avoid
> requiring proper ordering, and instead relying on contextual inferance
> of what arguments/flags are what (options, data, device/drive, etc.)
> 
> tia,
> -z
> 
> 

optparse, getoptslong, getopts::declare are all for parsing commandline 
arguments, with optional positional or arbitrary orderings.

Charles Comstock