拆分代码4

shell/Commands/FileSystem/CopyCommand.cs

@@ -0,0 +1,45 @@
+using System;
+
+namespace CMLeonOS.Commands.FileSystem
+{
+    public static class CopyCommand
+    {
+        public static void CopyFile(CMLeonOS.FileSystem fileSystem, string args, Action<string> showError, Action<string> showSuccess)
+        {
+            if (string.IsNullOrEmpty(args))
+            {
+                showError("Please specify source and destination files");
+                showError("cp <source> <destination>");
+                return;
+            }
+            
+            try
+            {
+                string[] parts = args.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+                if (parts.Length < 2)
+                {
+                    showError("Please specify both source and destination");
+                    showError("cp <source> <destination>");
+                    return;
+                }
+                
+                string sourceFile = parts[0];
+                string destFile = parts[1];
+                
+                string content = fileSystem.ReadFile(sourceFile);
+                if (content == null)
+                {
+                    showError($"Source file '{sourceFile}' does not exist");
+                    return;
+                }
+                
+                fileSystem.WriteFile(destFile, content);
+                showSuccess($"File copied successfully from '{sourceFile}' to '{destFile}'");
+            }
+            catch (Exception ex)
+            {
+                showError($"Error copying file: {ex.Message}");
+            }
+        }
+    }
+}