hello-csharp/Program.cs

using System.Text.Json;
using System.Text.RegularExpressions;

namespace HelloWorld;

class Program
{
    static string[] EXTS = { ".txt", ".json",};
    static string PATTERN = "\'(.+)\':";
    static string IDPATTERN = "ObjectId\\(\"(.+)\"\\)";
    static void Main(string[] args)
    {
        int idx = 0;
        foreach (var item in args)
        {   
            Console.WriteLine($"{idx} - {item}");
            if (File.Exists(item)) {
                string ext = Path.GetExtension(item);
                if (EXTS.Contains(ext)) {
                    string content = File.ReadAllText(item);
                    content = Regex.Replace(content, PATTERN, "\"$1\":");
                    content = Regex.Replace(content, IDPATTERN, "\"$1\"");
                    if (content != null) {
                        WrapperInfo? wrapper = JsonSerializer.Deserialize<WrapperInfo>(content);   
                        if (wrapper != null) {
                            if (wrapper.Cn != null && wrapper.Cn.Length > 0) {
                                wrapper.Cn = StringExtension.Decompress(wrapper.Cn);
                            }
                            if (wrapper.En != null && wrapper.En.Length > 0) {
                                wrapper.En = StringExtension.Decompress(wrapper.En);
                            }
                            Console.WriteLine(wrapper.Cn);
                            Console.WriteLine(wrapper.En);
                        }
                    } 
                }
            }
            idx++;
        }

        Console.WriteLine("Press any key...");
        Console.ReadLine();
    }
}