extras/src/main/java/pw/kaboom/extras/commands/CommandUnloadChunks.java

package pw.kaboom.extras.commands;

import org.bukkit.Bukkit;
import org.bukkit.Chunk;
import org.bukkit.World;

import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;

public class CommandUnloadChunks implements CommandExecutor {
	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		int chunkCount = 0;

		for (World world : Bukkit.getServer().getWorlds()) {
			for (Chunk chunk : world.getLoadedChunks()) {
				if (chunk.unload()) {
					chunkCount++;
				}
			}
		}

		sender.sendMessage("Unloaded " + chunkCount + " unused chunks");
		return true;
	}
}