Automatically launch best Q-Sys Designer version for design file

launcher.ps1

# Parse design file header
$header = [System.Text.Encoding]::ASCII.GetString((Get-Content $args[0] -Encoding byte -TotalCount 64));
$version = ($header | Select-String -Pattern "Q-Sys Designer, Version=(\d+\.\d+)").Matches.Groups[1].Value;

# Enumerate installed Q-Sys Designer versions
$InstalledSoftware = Get-ChildItem "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall";
$DesignerVersions = @();
foreach($obj in $InstalledSoftware){
  $name = $obj.GetValue('DisplayName');
  if($name -like "Q-Sys Designer *") {
    $designerVersion = ($obj.GetValue('DisplayName') | Select-String -Pattern "(\d+\.\d+)$").Matches.Groups[1].Value;
    $DesignerVersions += (New-Object PSObject -Property @{ Version = $designerVersion; Path = $obj.GetValue('InstallLocation') });
  }
}

# Find best version
$BestVersion = $DesignerVersions | Where-Object {$_.Version -eq $version};
if(($BestVersion | Measure-Object).Count -eq 0) {
  $BestVersion = ($DesignerVersions | Sort-Object -Property Version | Where-Object {$_.Version -gt $version})[0];
}

# Execute designer
$exes = Get-ChildItem -Path $BestVersion.Path -Filter "*Designer.exe";
& $exes.FullName $args[0];