From 4c6758f764adf9962b4508dd0091bf67134b6918 Mon Sep 17 00:00:00 2001
From: Anshuman Jadiya <anshuman.jadiya03@gmail.com>
Date: Thu, 9 Oct 2025 17:59:09 +0530
Subject: [PATCH 1/3] Implement PingCommand to execute ping on hostname

This class executes a ping command to a specified hostname and prints the output.
---
 .../java/com/mycmd/commands/PingCommand.java  | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/main/java/com/mycmd/commands/PingCommand.java

diff --git a/src/main/java/com/mycmd/commands/PingCommand.java b/src/main/java/com/mycmd/commands/PingCommand.java
new file mode 100644
index 0000000..6b87d85
--- /dev/null
+++ b/src/main/java/com/mycmd/commands/PingCommand.java
@@ -0,0 +1,36 @@
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+public class PingCommand {
+    public static void main(String[] args) {
+        if (args.length < 1) {
+            System.out.println("Usage: java PingCommand <hostname>");
+            return;
+        }
+
+        String host = args[0];
+
+        try {
+            // Run the ping command
+            Process process = Runtime.getRuntime().exec("cmd.exe /c ping " + host);
+
+            // Read the output of the ping command
+            BufferedReader reader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream())
+            );
+
+            String line;
+            while ((line = reader.readLine()) != null) {
+                System.out.println(line);
+            }
+
+            // Wait for the process to finish
+            int exitCode = process.waitFor();
+            System.out.println("Ping command exited with code: " + exitCode);
+
+        } catch (Exception e) {
+            System.out.println("Error executing ping command.");
+            e.printStackTrace();
+        }
+    }
+}

From b0757ded6614e27799c5703cdbbb0a1bedc12645 Mon Sep 17 00:00:00 2001
From: Anshuman Jadiya <anshuman.jadiya03@gmail.com>
Date: Sat, 11 Oct 2025 14:58:06 +0530
Subject: [PATCH 2/3] Implement LsCommand to list directory contents

---
 .../java/com/mycmd/commands/LsCommand.java    | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/main/java/com/mycmd/commands/LsCommand.java

diff --git a/src/main/java/com/mycmd/commands/LsCommand.java b/src/main/java/com/mycmd/commands/LsCommand.java
new file mode 100644
index 0000000..e07a290
--- /dev/null
+++ b/src/main/java/com/mycmd/commands/LsCommand.java
@@ -0,0 +1,34 @@
+import java.io.File;
+
+public class LsCommand {
+
+    public static void main(String[] args) {
+        // Determine the directory to list
+        String directoryPath = "."; // current directory by default
+        if (args.length > 0) {
+            directoryPath = args[0]; // if user provides a path
+        }
+
+        File directory = new File(directoryPath);
+
+        if (!directory.exists()) {
+            System.out.println("Directory does not exist: " + directoryPath);
+            return;
+        }
+
+        if (!directory.isDirectory()) {
+            System.out.println(directoryPath + " is not a directory.");
+            return;
+        }
+
+        // List files and directories
+        String[] contents = directory.list();
+        if (contents != null && contents.length > 0) {
+            for (String item : contents) {
+                System.out.println(item);
+            }
+        } else {
+            System.out.println("Directory is empty.");
+        }
+    }
+}

From 8bca22d76cf1ac711800a8c2bd1ae5c57b604af1 Mon Sep 17 00:00:00 2001
From: Anshuman Jadiya <anshuman.jadiya03@gmail.com>
Date: Sat, 11 Oct 2025 14:59:23 +0530
Subject: [PATCH 3/3] Implement MoveCommand to move files

---
 .../java/com/mycmd/commands/MoveCommand.java  | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/main/java/com/mycmd/commands/MoveCommand.java

diff --git a/src/main/java/com/mycmd/commands/MoveCommand.java b/src/main/java/com/mycmd/commands/MoveCommand.java
new file mode 100644
index 0000000..3498abd
--- /dev/null
+++ b/src/main/java/com/mycmd/commands/MoveCommand.java
@@ -0,0 +1,32 @@
+package com.mycmd.commands;
+
+import com.mycmd.Command;
+import com.mycmd.ShellContext;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.*;
+
+public class MoveCommand implements Command {
+    @Override
+    public void execute(String[] args, ShellContext context) throws IOException {
+        if (args.length < 2) {
+            System.out.println("Usage: move <source> <destination>");
+            return;
+        }
+
+        Path source = context.resolvePath(args[0]).toPath();
+        Path destination = context.resolvePath(args[1]).toPath();
+
+        if (!Files.exists(source)) {
+            System.out.println("The system cannot find the file specified.");
+            return;
+        }
+
+        try {
+            Files.move(source, destination, StandardCopyOption.REPLACE_EXISTING);
+            System.out.println("Moved: " + source.getFileName() + " -> " + destination);
+        } catch (IOException e) {
+            System.out.println("Error moving file: " + e.getMessage());
+        }
+    }
+}