Set/Create Registry Values

Tue, 30 Jun 2009 19:20:08 Z

I am trying to search registry values and either create a value if
it's not there or set the cirrect value it should have via the
following function:

function Compare2([string]$TermtoMatch, [string]$RegType, [int]
$RegValue, [string]$RegistryPath) {
$value = Get-ItemProperty -path $RegistryPath
if ($value -match $TermtoMatch) { Set-ItemProperty $RegistryPath -
Name $TermtoMatch -value $RegValue }
Else { New-ItemProperty $RegistryPath -Name $TermtoMatch -value
$RegValue -propertyType RegType }

}

Here's a snippet of the code calling the function:

$RegistryPath = "HKLM:\SOFTWARE\Intel\LANDesk
\VirusProtect6\CurrentVersion\Storages\FileSystem\RealTimeScan"

Compare2("ConfigRestart", "dword", 1, $RegistryPath)

Here's the error:
Get-ItemProperty : Cannot bind argument to parameter 'Path' because it
is an empty string.
At C:\script.ps1:2 char:33
+ $value = Get-ItemProperty -Path <<<< $RegistryPath
The '-match' operator failed: parsing "ConfigRestart dword 1 "HKLM:
\SOFTWARE\Intel\LANDesk\VirusProtect6\CurrentVersion\Storages
\FileSystem\RealTimeScan" - Unrecognized escape sequence \I..
At C:\script.ps1:3 char:19
+ if ($value -match <<<< $TermtoMatch) {

Any ideas what I'm missing here? I'm thinking it has something to do
with my casting. When I manually put the values in for the variables
it seems to work just fine.

Thanks.

Set/Create Registry Values

Wed, 01 Jul 2009 01:20:30 Z

When you call your function, call it like this:
PS>compare2 "configrestart" "dword" 1 $registrypath

By putting commas, PowerShell is thinking this is all the first argument and passes it in as an array value.

Set/Create Registry Values

Wed, 01 Jul 2009 02:27:21 Z

Hi,

Additional to Marco's answer, it’s suggested to run the following commands to get more detailed information and instruction about PowerShell Functions.

Get-Help about_functions

Get-Help about_functions_advanced

Get-Help about_functions_advanced_methods

Get-Help about_functions_cmdletbindingattribute

Thanks.

This posting is provided "AS IS" with no warranties, and confers no rights.

Set/Create Registry Values

Wed, 01 Jul 2009 13:17:43 Z

Some of what Mervyn just suggested requires PowerShell v2 (about_functions_advanced, for example).

Set/Create Registry Values

Wed, 01 Jul 2009 16:25:23 Z

Wow, I feel like a complete idiot. Thanks you!