add dat file renamer

Author: LeftofZen

DatFileRenamer/DatFileRenamer.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

DatFileRenamer/Program.cs

@@ -0,0 +1,80 @@
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+
+Console.WriteLine("Dat File Renamer v0.1");
+
+// get all files in current exe folder
+var currFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+currFolder = "Q:\\Games\\Locomotion\\ttd russia";
+var datFiles = Directory.GetFiles(currFolder)
+	.Where(f => Path.GetExtension(f).ToLower() == ".dat");
+
+var count = datFiles.Count();
+Console.WriteLine($"Checking {count} files in {currFolder}");
+
+var mismatching = new List<(string originalFile, string datName)>();
+
+foreach (var datFile in datFiles)
+{
+	// read each files S5Header
+	using var fileStream = new FileStream(datFile, FileMode.Open, FileAccess.Read, FileShare.None, 32, FileOptions.SequentialScan | FileOptions.Asynchronous);
+	using var reader = new BinaryReader(fileStream);
+	var data = reader.ReadBytes(0x10);
+
+	var flags = BitConverter.ToUInt32(data[0..4]);
+	var datName = System.Text.Encoding.ASCII.GetString(data[4..12]).Trim();
+	var checksum = BitConverter.ToUInt32(data[12..16]);
+
+	var filename = Path.GetFileNameWithoutExtension(datFile).Trim();
+
+	if (filename != datName)
+	{
+		mismatching.Add((datFile, datName));
+		Console.WriteLine($"Mismatch: Filename=\"{filename}\" DatName=\"{datName}\" Checksum={checksum}");
+	}
+}
+
+Console.WriteLine($"Found {mismatching.Count} file names mismatching");
+Console.WriteLine("Would you like to rename these? (Y)es (N)o (A)ll");
+var input = Console.ReadLine();
+
+var allAtOnce = string.Equals(input, "a", StringComparison.OrdinalIgnoreCase);
+if (string.Equals(input, "y", StringComparison.OrdinalIgnoreCase) || allAtOnce)
+{
+	foreach (var names in mismatching)
+	{
+		Console.WriteLine($"{names}");
+		var dir = Path.GetDirectoryName(names.originalFile);
+		var newFilename = Path.Join(dir, names.datName + Path.GetExtension(names.originalFile));
+		Console.WriteLine($"New path is: {newFilename}");
+
+		try
+		{
+			if (allAtOnce)
+			{
+				File.Move(names.originalFile, newFilename);
+			}
+			else
+			{
+				Console.WriteLine("Rename this file? (Y/N) (Ctrl+C to exit)");
+				var inputPerFile = Console.ReadLine();
+				if (string.Equals(inputPerFile, "y", StringComparison.OrdinalIgnoreCase))
+				{
+					File.Move(names.originalFile, newFilename);
+				}
+			}
+		}
+		catch (IOException ex)
+		{
+			Console.WriteLine(ex);
+		}
+	}
+}
+else
+{
+	Console.WriteLine("Rename cancelled");
+}
+
+Console.WriteLine("Press any key to exit");
+Console.ReadLine();