拆分代码4

shell/Commands/FileSystem/WordCountCommand.cs

@@ -0,0 +1,50 @@
+using System;
+
+namespace CMLeonOS.Commands.FileSystem
+{
+    public static class WordCountCommand
+    {
+        public static void WordCount(CMLeonOS.FileSystem fileSystem, string args, Action<string> showError)
+        {
+            if (string.IsNullOrEmpty(args))
+            {
+                showError("Please specify a file name");
+                return;
+            }
+            
+            try
+            {
+                string content = fileSystem.ReadFile(args);
+                if (string.IsNullOrEmpty(content))
+                {
+                    Console.WriteLine("File is empty");
+                    return;
+                }
+                
+                string[] lines = content.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
+                int lineCount = lines.Length;
+                int wordCount = 0;
+                int charCount = content.Length;
+                
+                foreach (string line in lines)
+                {
+                    if (!string.IsNullOrWhiteSpace(line))
+                    {
+                        string[] words = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
+                        wordCount += words.Length;
+                    }
+                }
+                
+                Console.WriteLine($"Word count for {args}:");
+                Console.WriteLine("--------------------------------");
+                Console.WriteLine($"Lines: {lineCount}");
+                Console.WriteLine($"Words: {wordCount}");
+                Console.WriteLine($"Characters: {charCount}");
+            }
+            catch (Exception ex)
+            {
+                showError($"Error reading file: {ex.Message}");
+            }
+        }
+    }
+}