Introduction to the Pascal Programming Language

© 1998 by Dr. Thomas W. MacFarland -- All Rights Reserved

     Instructions:   Review the following program and see if you can 
                     predict the outcome by completing a "pencil 
                     trace" of the code.  

                     Program output is provided at the end of this 
                     page.

     Compiler:       The program was prepared using Standard Pascal 
                     on a UNIX-based host computer.

% cat PASCAL/intro_pencil-01.p
{ Introduction to the Pascal Programming Language
  Dr. Thomas W. MacFarland
  intro_pencil-01.p         
}

{ The purpose of this program is to:

  1.  Demonstrate the write statement and the writeln 
      statement.

  2.  Demonstrate cursor-control differences between the
      write statement and writeln statements.
}

program Demonstrate_Cursor_Control_With_Write_and_Writeln;

begin

   write('This program');
   writeln('writes something to the.');
   writeln('screen.  What do you see');
   write('now?');
   writeln;

end.  { intro_pencil-01.p      } 
% pc PASCAL/intro_pencil-01.p
% a.out
This programwrites something to the.
screen.  What do you see
now?

Please send comments or suggestions to Dr. Thomas W. MacFarland