Get-LocalAdmin.psm1

<#
.SYNOPSIS
This script list the member of the Administors group for a machine passed in parameter
#>

function Get-LocalAdmin
{
    param ($strcomputer)

    $admins = Gwmi win32_groupuser –computer $strcomputer
    $admins2 = $admins |? {$_.groupcomponent –like '*"Administrators"'}
    if($admins2 -eq $null)
    {
        $admins2 = $admins |? {$_.groupcomponent –like '*"Administrators"'}
    }
    $admins |% {$_.partcomponent –match “.+Domain\=(.+)\,Name\=(.+)$” > $nul
    $matches[1].trim('"') + “\” + $matches[2].trim('"')}
}

Export-ModuleMember -Function Get-LocalAdmin