Added an extraction module, among one other thing.

SrcMod/Shell/Modules/CompressionModule.cs

@@ -20,10 +20,8 @@ public static class CompressionModule
             Write(message);
 
             Stream writer = new FileStream(destination, FileMode.CreateNew);
-            ZipArchive archive = new(writer, ZipArchiveMode.Create)
-            {
-                Comment = comment
-            };
+            ZipArchive archive = new(writer, ZipArchiveMode.Create);
+            if (!string.IsNullOrWhiteSpace(comment)) archive.Comment = comment;
 
             archive.CreateEntryFromFile(absSource, Path.GetFileName(absSource), level);
 
@@ -42,6 +40,7 @@ public static class CompressionModule
 
             Stream writer = new FileStream(destination, FileMode.CreateNew);
             ZipArchive archive = new(writer, ZipArchiveMode.Create);
+            if (!string.IsNullOrWhiteSpace(comment)) archive.Comment = comment;
 
             List<string> files = new(GetAllFiles(absSource)),
                          relative = new();

SrcMod/Shell/Modules/ExtractionModule.cs

@@ -0,0 +1,26 @@
+namespace SrcMod.Shell.Modules;
+
+[Module("extract")]
+public static class ExtractionModule
+{
+    [Command("zip")]
+    public static void ExtractZip(string source, string? destination = null)
+    {
+        if (!File.Exists(source)) throw new($"No file exists at \"{source}\".");
+
+        destination ??= Path.GetDirectoryName(Path.GetFullPath(source));
+        if (destination is null) throw new("Error detecting destination path.");
+
+        if (!Directory.Exists(destination)) Directory.CreateDirectory(destination);
+
+        FileStream reader = new(source, FileMode.Open);
+        ZipArchive zip = new(reader, ZipArchiveMode.Read);
+
+        if (!string.IsNullOrWhiteSpace(zip.Comment)) Write(zip.Comment);
+
+        zip.ExtractToDirectory(destination, true);
+
+        zip.Dispose();
+        reader.Dispose();
+    }
+}

SrcMod/Shell/Shell.cs

@@ -4,7 +4,7 @@ public class Shell
 {
     public const string Author = "That_One_Nerd";
     public const string Name = "SrcMod";
-    public const string Version = "Alpha 0.2.2";
+    public const string Version = "Alpha 0.3.0";
 
     public readonly string? ShellDirectory;