From: Sebastian Hungerecker <sepp2k@...>
Date: 2009-04-17T17:39:37+09:00
Subject: Re: Passing hashes as command-line parameters

Jeff Leeman wrote:
> C:\rails_app>jruby script\runner "SomeClassName.method_name({:some_key_1
> => 'some_value_1', :some_key_2 => 'some_value_2'})"
> script\runner:6: (eval):1: , unexpected '=' (SyntaxError)

Try putting  p ARGV[0] before the eval and see what that outputs. That way you 
can see if and how cmd butchers the argument.