windows/sauce-code-cuckoo/reference/launch.ps1

<#
    launch.ps1 - Starts the Cuckoo Chess GUI desktop application.

    Launches the self-contained native app-image produced by build.ps1
    (jpackage bundles its own Java runtime, so no external JDK is required).

    Outputs ONLY the numeric PID as the first line on stdout.
#>

$ErrorActionPreference = 'Stop'

$exePath = (Join-Path (Split-Path $PSScriptRoot -Parent) 'install\CuckooChess\CuckooChess.exe')

$proc = Start-Process -FilePath $exePath -PassThru
Write-Output $proc.Id
# Emit a trailing line so that when the caller does `$out = & powershell ... launch.ps1`,
# $out is captured as an array (Object[]) and $out[0] is the full PID string.
# With a single output line PowerShell collapses $out to a scalar string, making
# $out[0] index the first CHARACTER of the PID instead of the whole number.
Write-Output ""