From: Robert Klemme <shortcutter@...>
Date: 2007-04-17T00:50:06+09:00
Subject: Re: openstruct / constant negating question

On 16.04.2007 17:28, Pugal Panneerselvam wrote:
> I am a newbie to Ruby. I have a nested hash converted to openstruct
> (primarily for ease of access).

It seems you made your access more complicated...

> PreProduction
>      webServers
>         webServer1
>         webServer2
>      appServers
>         appServer1
>         appServer2 etc.,
> I have the following global variables
> $RCProperties -> openstruct
> $RCPREPROD -> 'PreProduction'
> $RCWEBSERVER -> 'webServers'
> 
> If I invoke it with $RCProperties.PreProduction.webServers things work
> as expected. However when I try to invoke using
> $RCProperties.$RCPREPROD.$RCWEBSERVERS ...I am getting syntax error.
> Do I need to negate the . using regular expression? If yes, I tried
> using $RCProperties\.$RCPreprod\.$RCWEBSERVERS but still getting the
> same error message.

You need to either do

$RCProperties.PreProduction.webServers

or

$RCProperties.send($RCPREPROD).send($RCWEBSERVER)

or revert back to Hashes and do

$RCProperties[$RCPREPROD][$RCWEBSERVER]

Kind regards

	robert