// Build executable statement
      String commandLine = appName + " -r " + appRegNum + appOptions + " -o" + outputFileName + " " + inputFileName;

      try
      {
        // Check if running on Windows
        if ( System.getProperty ( "os.name", " " ).toUpperCase().startsWith( "WIN" ) )
        {
          commandLine = "cmd /c " + commandLine;
        }

        Process cmdlProcess;
        synchronized ( lock )
        {
          System.out.println ( "Ready to execute " + commandLine );

          // Create Runtime process to execute command line
          cmdlProcess = Runtime.getRuntime().exec ( commandLine );
          cmdlProcess.waitFor ();

          System.out.println ( "Done executing... " + commandLine );
        }

        // Get application exit code ( %ERRORLEVEL% on WIN, $? on UNIX )
        int returnCode  = cmdlProcess.exitValue();

      catch ( InterruptedException iE )
      {
        System.out.println ( "Did not process " + commandLine );
      }