From: Robert Gleeson <rob@...>
Date: 2009-11-04T03:18:21+09:00
Subject: Re: ruby script with flag

Jillian Kozyra wrote:
> Hi,
> 
> I am trying to write a ruby script which accepts a flag. That is, I
> would like to execute the script by doing:
> ./assignment2.rb --verbose OR
> ./assignment2.rb
> 
> How would I got about making the script accept a flag?
> 
> Thanks,
> Jillian

Command line options are stored in the ARGV array.

./assignment2.rb --verbose
ARGV[0] # => "--verbose"

If no command line options are supplied, ARGV will be empty.
Also look at `optparse` in the standard library for handling more 
complex command line options.

Rob
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