BCompare4，30天

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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * @author wangcx
 * @since 2018-04-11
 */
public class BCompare {

   
    public static void main(String[] args) throws InterruptedException {
        Runtime runtime = Runtime.getRuntime();
        String cmdfindid = "whoami /user";
        try {
            BufferedReader input = new BufferedReader(new InputStreamReader(runtime.exec(cmdfindid).getInputStream()));
            String line = null;
            String b = "";
            while ((line = input.readLine()) != null) {
                b = line;
            }
            String[] SID = b.split(" ");
            String break_cmd = "reg delete \"HKEY_USERS\\" + SID[1]
                    + "\\Software\\Scooter Software\\Beyond Compare 4\" /v CacheId /f";
            System.out.println(break_cmd);
            runtime.exec(break_cmd);
        }
        catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}