Other Subroutine Functions

• There's more you can do with a subroutine, but we probably will not cover them unless we have time.
• They are covered in the book.
• Using a return value: page 122
• Setting the return value: page 123
• Storing subroutines in a separate file: 124
• Calling subroutines from a separate file: 125
• Note, we already do that with CGI.pm