gistfile1.txt

# Will retrieve the logged on user, and last boot up time for a machine, or list of machines.
 
 
function GetComputerInfoWork {
Param (
[string]$computername
)
 
$loggedonuser = Get-WmiObject -computer $computername -class win32_computersystem -ErrorAction Stop
 
$lastboot = Get-WmiObject -computer $computername -class Win32_OperatingSystem -ErrorAction Stop
 
$obj = New-Object -TypeName PSObject
 
$obj | Add-Member -MemberType NoteProperty -Name ComputerName -Value $computername
 
$obj | Add-Member -MemberType NoteProperty -Name LoggedOnUser -Value ($loggedonuser.Username)
 
$obj | Add-Member -MemberType NoteProperty -Name LastBoot -Value ($lastboot.ConvertToDateTime($lastboot.LastBootUpTime))
 
Write-Output $obj
}
 
function ErrorHandling {
Param (
[string]$pc
)
 
$obj2 = New-Object -TypeName PSObject
 
$obj2 | Add-Member -MemberType NoteProperty -Name Unreachable -Value $pc
 
Write-Output $obj2
 
}
 
function Get-PCInfo {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$True,ValueFromPipeline=$True,ValueFromPipelineByPropertyName=$True)]
        [string[]]$computername
        )
BEGIN {$errorPC = @()}
PROCESS {
    foreach ($computer in $computername) {
    Try {
    GetComputerInfoWork -computername $computer -ea Stop
} Catch {
    $errorPC += ,$computer
    }
   }
  }
 END {foreach ($pc in $errorPC) {
 ErrorHandling $pc
    }
   }
 }
 
#New-Alias gpc Get-PCInfo
 
#Export-ModuleMember -function Get-PCInfo
#Export-ModuleMember -alias gpc
Get-PCInfo WWTX41JPRW1,NOTONLINE,WWTXBKVWW32,NOTONLINE2,WWTXBKVWW64,NOTONLINE3