Powershell: Version compare

VersionCompare.ps1

function getVersionFromFile($filepath) {
    return [System.Diagnostics.FileVersionInfo]::GetVersionInfo($filepath)
}

function versionCompare($filepathReference, $filepathDifference) {
    $versionReference = getVersionFromFile $filepathReference
    $versionDifference = getVersionFromFile $filepathDifference
    #$versionReference | fl
    #$versionDifference
    return Compare-Object -ReferenceObject $versionReference -DifferenceObject $versionDifference -Property FileVersionRaw
    
    #return Compare-Object $versionReference $versionDifference
}

$filepath1 = "C:\Program Files\Git\git-cmd.exe"
$filepath2 = "$Env:USERPROFILE\Downloads\Git-2.8.3-64-bit.exe"
#$filepath2 = "$Env:USERPROFILE\Downloads\Git-2.6.0-32-bit.exe"

try {
    $compare = versionCompare $filepath1 $filepath2
    if ($compare.count -gt 0) {
        throw error
    }
    write-host update the system
} catch {
    Write-Host "Geen versie kunnen vinden van 1 van de bestanden"
}
break

$filepath = "C:\Program Files\Git\git-cmd.exe"
versionCompare $filepath
break

$a = getVersionFromFile($filepath)
#$a.ToString()

$filepath = "$Env:USERPROFILE\Downloads\Git-2.8.3-64-bit.exe"
$filepath = "$Env:USERPROFILE\Downloads\Git-2.6.0-32-bit.exe"
$b = getVersionFromFile($filepath)
#$b.ToString()

$compare = Compare-Object -ReferenceObject $b -DifferenceObject $a

$compare.count

if ($compare.count) {
    write-host not ok
} else {
    write-host ok
}