From: Jim Morris <ml@...4net.com>
Date: 2008-07-04T02:22:39+09:00
Subject: Re: Lost with OptionParser

I love Main, but it does not seem to work under JRuby, any ideas?

This is the error I always get...

F, [2008-07-03T10:24:48.827600 #9761] FATAL -- : could not reopen: null (IOError)
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:318:in `setup_io_restoration'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:318:in `call'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:318:in `finalize'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:29:in `run'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:12:in `catch'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/base.rb:12:in `run'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/factories.rb:11:in `run'
/opt/jruby-1.1.2/lib/ruby/gems/1.8/gems/main-2.8.0/lib/main/factories.rb:16:in `Main'


ara.t.howard wrote:

> 
> cfp:~ > cat a.rb
> require 'yaml'
> require 'rubygems' ### gem install rubygems
> require 'main'
> 
> Main {
>   option('environment', 'e'){
>     synopsis 'specify run time environment'
>     default 'development'
>     argument :required
>     validate{|arg| %w[ production development test ].include? arg}
>   }
> 
>   def run
>     environment = params['environment']
> 
>     y :given => environment.given?,
>       :value => environment.value
>   end
> }
> 
> 
> 
> cfp:~ > ruby a.rb
> ---
> :value: development
> :given:
> 
> 
> cfp:~ > ruby a.rb --environment=foobar
> invalid: option(--environment)="foobar"
> 
> cfp:~ > ruby a.rb --environment=test
> ---
> :value: test
> :given: true
> 
> 
> 
> cfp:~ > ruby a.rb --help
> NAME
>   a.rb
> 
> SYNOPSIS
>   a.rb [options]+
> 
> DESCRIPTION
>   main.rb takes the pain of argument parsing away
> 
> PARAMETERS
>   specify run time environment
>   --help, -h
> 
> 
> 
> the packages ships with a tons of examples.
> 
> a @ http://codeforpeople.com/
> -- 
> we can deny everything, except that we have the possibility of being 
> better. simply reflect on that.
> h.h. the 14th dalai lama
> 
> 
> 
> 
> 


-- 
Jim Morris, http://blog.wolfman.com