Exit Code WMI Query Example

param(
    [string]$wmiLike = '%office standard 2007%'
)

function ExitWithCode
{
    param
    (
        $exitcode
    )

    $host.SetShouldExit($exitcode)
    exit
}

if ($wmiLike.Contains('*')) {
    $wmiLike = $wmiLike.Replace('*','%')
}

$wmi = Get-WmiObject -Query "Select * FROM win32_product WHERE name LIKE '$wmiLike'"
if ($wmi) {
    ExitWithCode 0
} else {
    ExitWithCode 5
}