How to process multiple benchmark files? about github-action-benchmark HOT 6 OPEN

public static void CombineBenchmarkResults(
    string resultsDir = "./BenchmarkDotNet.Artifacts/results",
    string resultsFile = "Combined.Benchmarks",
    string searchPattern = "Foo.*.json")
{
    var resultsPath = Path.Combine(resultsDir, resultsFile + ".json");

    if (!Directory.Exists(resultsDir))
    {
        throw new DirectoryNotFoundException($"Directory not found '{resultsDir}'");
    }

    if (File.Exists(resultsPath))
    {
        File.Delete(resultsPath);
    }

    var reports = Directory
        .GetFiles(resultsDir, searchPattern, SearchOption.TopDirectoryOnly)
        .ToArray();
    if (!reports.Any())
    {
        throw new FileNotFoundException($"Reports not found '{searchPattern}'");
    }

    var combinedReport = JsonNode.Parse(File.ReadAllText(reports.First()))!;
    var title = combinedReport["Title"]!;
    var benchmarks = combinedReport["Benchmarks"]!.AsArray();
    // Rename title whilst keeping original timestamp
    combinedReport["Title"] = $"{resultsFile}{title.GetValue<string>()[^16..]}";

    foreach (var report in reports.Skip(1))
    {
        var array = JsonNode.Parse(File.ReadAllText(report))!["Benchmarks"]!.AsArray();
        foreach (var benchmark in array)
        {
            // Double parse avoids "The node already has a parent" exception
            benchmarks.Add(JsonNode.Parse(benchmark!.ToJsonString())!);
        }
    }

    File.WriteAllText(resultsPath, combinedReport.ToString());
}