Read Commandline Arguments and Select Certain Scenes With Them in Unity Editor

StartupArguments.cs

public static class StartupArguments
{
    // Constants
    public const string ArgumentVR = "-vr";

    // Properties
    public static bool ContainVRMode => Arguments.Contains(ArgumentVR);
    public static StartupScene[] ContainedScenes
        => StartupScenes.Where(scene => Arguments.Contains(scene.StartupParameterName)).ToArray();

    // Properties
    private static readonly string[] Arguments = Environment.GetCommandLineArgs();

    // Cached Properties
    #region Cached Properties
    private static StartupScene[] _startupScenes;

    public static StartupScene[] StartupScenes
    {
        get
        {
            if (_startupScenes == null)
            {
                _startupScenes = Resources.LoadAll<StartupScene>("StartupScenes/");
            }

            return _startupScenes;
        }
    }
    #endregion


    // Methods
    public static bool ContainsString(string startupArgument)
    {
        return Arguments.Contains(startupArgument);
    }
}

StartupScene.cs

using UnityEngine;


[System.Serializable]
[CreateAssetMenu(fileName = "StartupScene", menuName = "ScriptableObjects/StartupScene", order = 1)]
public class StartupScene : ScriptableObject
{
    [SerializeField]
    private string _sceneName;

    [SerializeField]
    private string _startupParameterName;

    [SerializeField]
    private Transform _startPosition;

    public string SceneName => _sceneName;
    public string StartupParameterName => _startupParameterName;
    public Transform StartPose => _startPosition;

}