// Demonstrate the Small Basic Interpreter. 
 
class SBDemo { 
  public static void main(String args[])   
  { 
    if(args.length != 1) { 
      System.out.println("Usage: sbasic <filename>"); 
      return; 
    } 
 
    try { 
      SBasic ob = new SBasic(args[0]);     
      ob.run(); 
    } catch(InterpreterException exc) { 
      System.out.println(exc); 
    } 
  } 
}