Public/Test-RegistryValue.ps1
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function Test-RegistryValue { <# .Synopsis Function to Test Registry Values .DESCRIPTION Function to Test Registry Values .PARAMETER Path Registry path to be tested .PARAMETER Value Registry value to be tested .EXAMPLE Test-RegistryValue -Path "HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" -Value "AutoAdminLogon" .EXAMPLE Test-RegistryValue "HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" "AutoAdminLogon" .NOTES Version: 1.0 DateModified: 16/Ene/2018 LasModifiedBy: Vicente Rodriguez Eguibar vicente@eguibar.com Eguibar Information Technology S.L. http://www.eguibarit.com #> [CmdletBinding(ConfirmImpact = 'Low')] [OutputType([Bool])] Param ( [parameter(Mandatory=$true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, ValueFromRemainingArguments = $false, HelpMessage = 'Registry path to be tested', Position = 0)] [ValidateNotNullOrEmpty()] [string] $Path, [parameter(Mandatory=$true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, ValueFromRemainingArguments = $false, HelpMessage = 'Registry value to be tested', Position = 1)] [ValidateNotNullOrEmpty()] [string] $Value ) Begin { Write-Verbose -Message '|=> ************************************************************************ <=|' Write-Verbose -Message (Get-Date).ToShortDateString() Write-Verbose -Message (' Starting: {0}' -f $MyInvocation.Mycommand) #display PSBoundparameters formatted nicely for Verbose output $NL = "`n" # New Line $HTab = "`t" # Horizontal Tab [string]$pb = ($PSBoundParameters | Format-Table -AutoSize | Out-String).TrimEnd() Write-Verbose -Message "Parameters used by the function... $NL$($pb.split($NL).Foreach({"$($HTab*4)$_"}) | Out-String) $NL" } Process { try { Get-ItemProperty -Path $Path | Select-Object -ExpandProperty $Value -ErrorAction Stop | Out-Null return $true } catch { return $false } } End { Write-Verbose -Message "Function $($MyInvocation.InvocationName) finished testing registry." Write-Verbose -Message '' Write-Verbose -Message '-------------------------------------------------------------------------------' Write-Verbose -Message '' } } |