From: Heesob Park <phasis@...>
Date: 2010-07-08T19:33:30+09:00
Subject: Re: Changing registry values with Win32::Registry

Hi,

2010/7/8 Navaneet Kumar <tonavaneet@gmail.com>:
> Jesús Gabriel y Galán wrote:
>> On Thu, Jul 8, 2010 at 10:52 AM, Navaneet Kumar <tonavaneet@gmail.com>
>> wrote:
>>> � �end
>>>
>>> I need another instance to open for different REG_PATH. The reason
>>> behind that is if the reg key is in first path then return the value
>>> other wise open the key to read the reg key from different path.
>>
>> I have no idea about that API, but if read_i is returning nil for
>> non-existing keys, you can try this:
>>
>> unless (key = reg.read_i(name)).nil?
>>   return key
>> end
>>
>> Jesus.
>
> Thanks for your reply.
>
> Just clarification, The specified key is not exist not the value is
> having null. I mean the 'name' key is not exist in that path. How do we
> handle this in ruby.
>
You can handle it like this:

  begin
	if (reg.read_i(name)!="")
             return reg.read_i(name)
        end
  rescue Win32::Registry::Error => e
	if e.code == 2
		puts "#{name} key not exist!"
	end
  end


Regards,

Park Heesob