Init

CodeSigner.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>

Program.cs

@@ -0,0 +1,44 @@
+const string AuthorName = "Syntriax";
+const string AuthorEmail = "Syntriax@gmail.com";
+
+const string FileSearchPattern = "*.cs";
+const string ProgramSignature = $"Signed by an automated program written by Syntriax";
+const string CreationDateTag = "<CreationDate>";
+const string Signature =
+$@"/*
+    Author: {AuthorName}
+    Email: {AuthorEmail}
+    Creation Date: {CreationDateTag} UTC
+    {ProgramSignature}
+*/
+";
+
+void ExploreDirectory(string path)
+{
+    string[] files = Directory.GetFiles(path, FileSearchPattern);
+    string[] directories = Directory.GetDirectories(path);
+
+    foreach (string filePath in files)
+        Sign(filePath);
+
+    foreach (string directoryPath in directories)
+        ExploreDirectory(directoryPath);
+}
+
+void Sign(string filePath)
+{
+    string[] lines = File.ReadAllLines(filePath);
+
+    foreach (string line in lines)
+        if (line.Contains(ProgramSignature))
+            return;
+
+    Console.WriteLine($"Signing -> {filePath}");
+    DateTime dateTime = File.GetCreationTimeUtc(filePath);
+    string newContents = Signature.Replace(CreationDateTag, $"{dateTime.ToLongDateString()} - {dateTime.ToLongTimeString()}");
+    newContents += File.ReadAllText(filePath);
+    File.WriteAllText(filePath, newContents);
+}
+
+ExploreDirectory(Environment.GetCommandLineArgs()[1]);
+Console.ReadKey();