From: Lars Christensen <larschbelunktumdk@...>
Date: 2009-12-04T00:01:11+09:00
Subject: Re: Building a Ruby executable that take a command-line argument

On Thu, Dec 3, 2009 at 3:49 PM, Max Power <chad.locke@cbc-companies.com> wrote:
> So I've been using Ocra for awhile now to build my Ruby executables and
> now I want to pass basically a flag to the executable and hopefully have
> that argument be recognized within the ruby script itself.  First off,
> I'm not sure if this is even possible.
>
> When I do run my .rb script by hand with an argument, it finds it and
> all is well.  When I take this command and try to build the executable,
> it gives an error that the argument is nil (basically I do a simple puts
> on the argument).
>
> My hopeful end result will be to create one executable that will do
> numerous tasks, all of which is driven by the argument sent in.  My only
> other option, as far as I know, would be to build separate executables
> for these tasks; however, that would result in dozens of executables.
>
> Thoughts/Suggestions?

Works for me.

C:\>type argv.rb
p ARGV

C:\>ocra argv.rb

C:\>argv.exe hello
["hello"]

Can you provide a minimal script showing the problem?

You can also ask questions specific for ocra here:
http://rubyforge.org/forum/forum.php?forum_id=31710