CIS 554 -- REBOL Quiz

Name __________________________________

1. (1 point) Is this a valid first line for a REBOL program?
      Rebol [ ]
Why or why not?
   
   
   
   
   
   
2. (2 points) Briefly tell what each of the following functions does, including how each parameter is used.
   
   
   1. either
      
      
      
      
      
      
      
      
      
      
   2. do
      
      
      
      
      
      
      
      
      
      
3. (1 point) Put parentheses in the following to show how it is evaluated by REBOL:
   
   while and greater? x 0 lesser? x 100 x: to-integer read  %nums.txt
   
   
4. (1 point) Create a button named save-button, with the text Save, that when clicked will call the save function (which has no arguments).