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Adding IP Address to script output

$computername = 'localhost', $env:COMPUTERNAME
    foreach ($Computer in $ComputerName) {
        try {
            quser /server:$Computer 2>&1 | Select-Object -Skip 1 | ForEach-Object {
                $CurrentLine = $_.Trim() -Replace '\s+',' ' -Split '\s'
                $HashProps = @{
                    UserName = $CurrentLine[0]
                    ComputerName = $Computer
                }

                # If session is disconnected different fields will be selected
                if ($CurrentLine[2] -eq 'Disc') {
                    $HashProps.SessionName = $null
                    $HashProps.Id = $CurrentLine[1]
                    $HashProps.State = $CurrentLine[2]
                    $HashProps.IdleTime = $CurrentLine[3]
                    $HashProps.LogonTime = $CurrentLine[4..6] -join ' '
                    $HashProps.LogonTime = $CurrentLine[4..($CurrentLine.GetUpperBound(0))] -join ' '
                } else {
                    $HashProps.SessionName = $CurrentLine[1]
                    $HashProps.Id = $CurrentLine[2]
                    $HashProps.State = $CurrentLine[3]
                    $HashProps.IdleTime = $CurrentLine[4]
                    $HashProps.LogonTime = $CurrentLine[5..($CurrentLine.GetUpperBound(0))] -join ' '
                }

                New-Object -TypeName PSCustomObject -Property $HashProps |
                Select-Object -Property UserName,@{n='IPAddress';exp={(Test-Connection $computer -count 1).IPV4Address }},ComputerName,SessionName,Id,State,IdleTime,LogonTime,Error
            }
        } catch {
            New-Object -TypeName PSCustomObject -Property @{
                ComputerName = $Computer
                Error = $_.Exception.Message
            } | Select-Object -Property UserName,ComputerName,SessionName,Id,State,IdleTime,LogonTime,Error
        }
    }

#Result
UserName IPAddress    ComputerName SessionName Id State  IdleTime LogonTime         Error
-------- ---------    ------------ ----------- -- -----  -------- ---------         -----
stephen  127.0.0.1    localhost    console     1  Active none     12/8/2015 9:22 AM      
stephen  192.168.0.27 BEHEMOTH     console     1  Active none     12/8/2015 9:22 AM