Application Detection and Compliance with PowerShell

app_compliance.ps1

$app_name = "*flash player*"
$app_ver = "10.3.183.5"
$reg_uninstall_keys = "hklm:software\wow6432node\microsoft\windows\currentversion\uninstall", "hklm:\software\microsoft\windows\currentversion\uninstall"
[array]$compliant = (
    $reg_uninstall_keys | foreach-object {
        if (test-path $_) {
            get-childitem $_ | get-itemproperty | select-object displayname, displayversion
        }
    }
) | where-object {$_.displayname -like $app_name -and $_.displayversion -eq $application_version}
if ($compliant -ne $null) {
    write-host "Compliant"
} else {
    write-host "NotCompliant"
}

app_detection.ps1

$app_name = "*flash player*"
$reg_uninstall_keys = "hklm:software\wow6432node\microsoft\windows\currentversion\uninstall", "hklm:\software\microsoft\windows\currentversion\uninstall"
[array]$detected = (
    $reg_uninstall_keys | foreach-object {
        if (test-path $_) {
            get-childitem $_ | get-itemproperty | select-object displayname
        }
    }
) | where-object {$_.displayname -like $app_name}
if ($detected -ne $null) {
    write-host "Detected"
}