From: Joel VanderWerf <vjoel@...>
Date: 2003-03-12T05:05:15+09:00
Subject: Re: when a ruby script gets arguments passed to it.....

Seth Kurtzberg wrote:
> In general, the best syntax (IMHO, of course) is the extract each argument 
> from the input list using ARGV.shift.  Other methods for accessing members of 
> a string array can also be used.

If the args are non-positional and do not contain whitespace, you can 
use ARGV.delete:

foo_option = ARGV.delete('-foo')
bar_option = ARGV.delete('-bar')

ARGF.each {|line|
  ... # treat remaining args as files
}

Of course, this fails if your files are named -foo or -bar...