Some fun I had with free pascal in college was that you can $DEFINE almost anything to almost anything else: {$DEFINE (:=ab} {$DEFINE ):=ba} ...etc... C

Some fun I had with free pascal in college was that you can $DEFINE almost anything to almost anything else: {$DEFINE (:=ab} {$DEFINE ):=ba} ...etc... Code becomes pretty ridiculous: WriteLn ab ab a + b ba * c ba If you define WriteLn, +, and * as other things too you can get horrific looking code. All keywords like program, if, then, and end can be redefined. I wrote a script that would take a regular source file and output a functionally identical file which looked like: {$DEFINE program:=a} ... many more defines ... {$DEFINE [:=zd} {$DEFINE ]:=ze} a b c d e f g h (* ... the entire program on one obfuscated line *)