From: Richard <RichardDummyMailbox58407@...>
Date: 2007-06-07T15:30:32+09:00
Subject: Re: Finding entries in Windows Registry matching a RE

Hi Robert,

Thanks for your response.  I'm studying the issue and will respond
with either "Eureka" or a (hopefully) more sophisticated or nuanced
question.

Best wishes,
Richard

On Jun 6, 5:09 am, Robert Klemme <shortcut...@googlemail.com> wrote:
> On 06.06.2007 07:13, Richard wrote:
>
>
>
> > Hi,
>
> > I'd like to be able to search a named hive for keys whose names match
> > a given regular expression.
>
> > I found, for example:
>
> > require 'win32/registry'
> > Win32::Registry::HKEY_CURRENT_USER.open('SOFTWARE\\AdwareAlert\
> > \AdwareAlert\\RegInfo') do |reg|
> >    puts reg['OrderNo']
> > end
>
> > which let me specify a specific key in the HKCU hive and print the
> > value of one of its entries.
>
> > I don't actually know why the foregoing is even syntactically correct
> > becausehttp://www.ruby-doc.org/stdlib/libdoc/Win32API/rdoc/classes/Win32/Reg...
> > says HKEY_CURRENT_USER is a constant in Win32::Registry.
>
> Why do you think this should disallow the syntax above?  It's perfectly
> valid Ruby code.  And that does not have to do anything with the fact
> that HKEY_CURRENT_USER is a constant.
>
> >  Therefore,
> > it seems to me that HKEY_CURRENT_USER can't have a method "open".
>
> The documentation is probably a bit misleading:
>
> 11:06:11 [~]: ruby -r win32/registry -e
> 'k=Win32::Registry::HKEY_CURRENT_USER; p k, k.class,
> k.instance_variables.map {|v| "#{v}=#{k.instan
> ce_variable_get v}"}'
> #<Win32::Registry key="HKEY_CURRENT_USER">
> Win32::Registry
> ["@keyname=HKEY_CURRENT_USER", "@parent=", "@hkey=2147483649",
> "@disposition=2"]
>
> Does that fix your irritation? :-)
>
> Btw, if you do this you'll see some methods that might actually do what
> you need (find for example).
>
> ruby -r win32/registry -e 'puts Win32::Registry.instance_methods.sort'
>
> Kind regards
>
>         robert