functions/Get-WindowsVersion.ps1
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Function Get-WindowsVersion { [cmdletbinding()] [OutputType("custom object")] [alias('wver')] Param ( [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$Computername = $env:COMPUTERNAME, [PSCredential]$Credential, [switch]$UseSSL, [Int32]$ThrottleLimit, [ValidateSet('Default', 'Basic', 'Credssp', 'Digest', 'Kerberos', 'Negotiate', 'NegotiateWithImplicitCredential')] [ValidateNotNullorEmpty()] [string]$Authentication = "default" ) Begin { Write-Verbose "[BEGIN ] Starting $($MyInvocation.Mycommand)" $sb = { $RegPath = 'HKLM:\SOFTWARE\Microsoft\Windows nt\CurrentVersion\' Get-ItemProperty -Path $RegPath | Select-Object -Property ProductName, EditionID, ReleaseID, @{Name = "Build"; Expression = {"$($_.CurrentBuild).$($_.UBR)"}}, @{Name = "InstalledUTC"; Expression = { ([datetime]"1/1/1601").AddTicks($_.InstallTime) }}, @{Name = "Computername"; Expression = {$env:computername}} } #close scriptblock #update PSBoundParameters so it can be splatted to Invoke-Command $PSBoundParameters.Add("ScriptBlock", $sb) | Out-Null $PSBoundParameters.add("HideComputername", $True) | Out-Null } #begin Process { Write-Verbose "[PROCESS] Invoking command" if (-Not $PSBoundParameters.ContainsKey("Computername")) { #add the default value if nothing was specified $PSBoundParameters.Add("Computername", $Computername) | Out-Null } $PSBoundParameters | Out-String | Write-Verbose $results = Invoke-Command @PSBoundParameters | Select-Object -Property * -ExcludeProperty RunspaceID, PS* if ($AsString) { #write a version string for each computer ` foreach ($result in $results) { "{0} Version {1} (OS Build {2})" -f $result.ProductName, $result.releaseID, $result.build } } else { $results } } #process End { Write-Verbose "[END ] Ending $($MyInvocation.Mycommand)" } #end } #close function Function Get-WindowsVersionString { [cmdletbinding()] [OutputType("system.string")] Param ( [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$Computername = $env:COMPUTERNAME, [PSCredential]$Credential, [switch]$UseSSL, [Int32]$ThrottleLimit, [ValidateSet('Default', 'Basic', 'Credssp', 'Digest', 'Kerberos', 'Negotiate', 'NegotiateWithImplicitCredential')] [ValidateNotNullorEmpty()] [string]$Authentication = "default" ) Begin { Write-Verbose "[BEGIN ] Starting $($MyInvocation.Mycommand)" } #begin Process { Write-Verbose "[PROCESS] Calling Get-WindowsVersion" $results = Get-WindowsVersion @PSBoundParameters #write a version string for each computer ` foreach ($result in $results) { "{0} Version {1} (OS Build {2})" -f $result.ProductName, $result.releaseID, $result.build } } #process End { Write-Verbose "[END ] Ending $($MyInvocation.Mycommand)" } #end } |