Running cmd command in sketchup ruby console

This wmic csproduct get uuid command i’m writing in sketchup console it is not printing hardware uuid for windows.How can i find the hardware uuid of windows through the sketchup console.

Shell’ing out to commands has been problematic in recent SU versions. On Windows 10, the following seemed to work:

require 'win32/registry'
key = 'Software\Microsoft\Office\Common\ClientTelemetry'
uuid = ''
begin
  Win32::Registry::HKEY_CURRENT_USER.open(key) { |reg| uuid = reg['MotherboardUUID'][/[^{}]+/] }
rescue
end  
puts uuid

I’ve never installed an Office version, not sure if this registry key exists on all Windows systems…

It isn’t on my system. I have LibreOffice instead.


This is likely more generic …

def get_computer_system_uuid(testing = false)
  require 'win32/registry'
  key  = 'SYSTEM\HardwareConfig'
  uuid = ''
  config = ''
  hardware = nil
  begin
    hardware = Win32::Registry::HKEY_LOCAL_MACHINE.open(key)
    return '' if hardware.nil?
    config = hardware['LastConfig']
  rescue => err
    puts err.inspect
  else
    begin
      keys = hardware.keys
      puts keys.inspect if testing
      uuid = config[/[^{}]+/] if keys.include?(config)
    rescue => err
      puts err.inspect
    else
      uuid
    end
  ensure
    hardware.close unless hardware.nil?
  end
end
1 Like

Is there a Mac equivalent?

That code didn’t work on my system. I was looking for a value not a key, thanks for finding it. Updated code below:

require 'win32/registry'

hklm = Win32::Registry::HKEY_LOCAL_MACHINE
key  = 'SYSTEM\HardwareConfig'
uuid = ''

begin
  hklm.open(key) { |reg| uuid = reg['LastConfig'].tr '{}', '' }
rescue
end
puts uuid
2 Likes

On my machine it is both a value ("LastConfig" of the "SYSTEM\HardwareConfig" key,) and one of it’s subkeys.

(My machine is a MSI GP63 Leopard 8RE [Baseboard: MS-16P5]. So I imagine that keys and values might vary from OEM to OEM.)

I only have one other config subkey named “Current”, but it seems that there might be other GUID configs. So I added an extra test to be sure that the value (of "LastConfig") was there also as a subkey.

Your edition did just find the first GUID key name enclosed in “curlies”.
[You’ve updated to use the "LastConfig" value, I see.]

... snip ... (no longer pertinent) ...

Can we rely upon that being the one to return ?

EDIT: If there is only one, well yes duh. :roll_eyes: :crossed_fingers:

Ok. I’ve got to stop posting while ‘multi-tasking’. I ran

wmic csproduct get uuid

and thought I searched my registry, so I should have found the LastConfig value, but I didn’t.

Anyway, it’s been a while, but I recall seeing info about a reg key that is a GUID for one’s hardware. Also recall that the key may change if one makes certain hardware changes. The system I’m on now, I’ve never touched, but a previous desktop I upgraded drives, RAM, etc. There was some software that wasn’t happy about that. So, assuming that the value changed, there may be more than one key uuid/GUID for a given system. I think. Hence, I changed the code above to use LastConfig.

At present, I’m Windows only. Hope to add Ubuntu soon for Ruby work, macOS will maybe come later. Hence, I have no idea. Maybe @qwertyuiop knows?

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I’d ask Steve (@slbaumgartner) or John (@john_drivenupthewall) for MacOS stuff.

Perhaps it’s saved into the "config.plist" file ?

From this post we have the following shell command …

ioreg -ad2 -c IOPlatformExpertDevice | xmllint --xpath '//key[.="IOPlatformUUID"]/following-sibling::*[1]/text()' -

Formats the output from ioreg into XML, then parses the XML with xmllint's xpath feature.

Sample Output:
08E4F05C-349D-4F23-8980-E2C3EA66DA2A

If it works, then the command can be wrapped in guid = %x{} command string for calling from Ruby.


We could probably use Fiddle to get read only information:

  • Win32_ComputerSystemProduct class
    … which says it gets it’s UUID from …

  • SMBIOS UUID field
    …which say (interestingly) …

    The UUID field is not marketed to end users and is
    considered the seventh-level indicator of this device.

* “SM” is an acronym for System Management and it’s based upon this standard.

1 Like

thank you…it’s working

1 Like

thank you… now i’m able to get hardware uuid

1 Like

You can run one of the commands given here.

Which I see is also what @DanRathbun cited.

1 Like

OK here is the cross platform version.

def get_computer_system_uuid(testing = false)
  if Sketchup.platform == :platform_osx
    `ioreg -ad2 -c IOPlatformExpertDevice | xmllint --xpath '//key[.="IOPlatformUUID"]/following-sibling::*[1]/text()' -`
  else
    require 'win32/registry'
    key  = 'SYSTEM\HardwareConfig'
    uuid = ''
    config = ''
    hardware = nil
    begin
      hardware = Win32::Registry::HKEY_LOCAL_MACHINE.open(key)
      return '' if hardware.nil?
      config = hardware['LastConfig']
    rescue => err
      puts err.inspect
    else
      begin
        keys = hardware.keys
        puts keys.inspect if testing
        uuid = config[/[^{}]+/] if keys.include?(config)
      rescue => err
        puts err.inspect
      else
        uuid
      end
    ensure
      hardware.close unless hardware.nil?
    end
  end  
end

Here is a version to get the computer name.

def computer_name
  Sketchup.platform == :platform_osx ? `hostname`.split('.')[0] : ENV["COMPUTERNAME"]    
end

Oh I now see that there were 3 choices.
I only noticed the one that was elevated to the best “liked” answer.

Added support for windows 7

def computer_system_uuid(testing = false)
  if Sketchup.platform == :platform_osx
    `ioreg -ad2 -c IOPlatformExpertDevice | xmllint --xpath '//key[.="IOPlatformUUID"]/following-sibling::*[1]/text()' -`
  else
    require 'win32/registry'
    key  = 'SYSTEM\HardwareConfig'
    uuid = ''
    config = ''
    hardware = nil
    begin
      begin
        hardware = Win32::Registry::HKEY_LOCAL_MACHINE.open(key)
        return '' if hardware.nil?

        config = hardware['LastConfig']
      rescue StandardError => _e
        #windows 7
        key = 'SOFTWARE\Microsoft\Cryptography'
        hardware = Win32::Registry::HKEY_LOCAL_MACHINE.open(key)
        return '' if hardware.nil?

        return hardware['MachineGuid']
      end
    rescue StandardError => e

      puts e.inspect
    else
      begin
        keys = hardware.keys
        puts keys.inspect if testing
        uuid = config[/[^{}]+/] if keys.include?(config)
      rescue StandardError => e
        puts e.inspect
      else
        uuid
      end
    ensure
      hardware.close unless hardware.nil?
    end
    uuid
  end
end
2 Likes