From: "ara.t.howard" <ara.t.howard@...>
Date: 2007-12-21T05:18:44+09:00
Subject: Re: OptionParser Question


On Dec 20, 2007, at 12:26 PM, Bryan Richardson wrote:

> Hello all,
>
> I'm using OptionParser to parse command line options.  I've figured  
> out how
> to handle options for each flag (i.e. opts.on('--port PORT')), but  
> I'm not
> sure how to handle command line arguments that aren't associated  
> with a
> flag.  For example, say I wanted to parse a file with my file_parser
> executable using a certain type of parser.  I'd like to say  
> "file_parser
> --type CDF <file_name>".  I know how to get the type of parser to  
> use (see
> above), but I'm not so sure how to easily get the name of the file  
> I want to
> parse.
>
> Any suggestions?  Thanks! -- BTR

don't bother:

1) gem install main


2) cat a.rb
#! /usr/bin/env ruby

Main {

   argument('file_name'){}

   option('type'){
     argument :required
   }

   def run
     p params['file_name'].given?
     p params['file_name']
     p params['type'].given?
     p params['type']
   end
}

a @ http://codeforpeople.com/
--
it is not enough to be compassionate.  you must act.
h.h. the 14th dalai lama