Source code (or an text) pre-processor?

Anyone know of a general purpose pre-processor that uses conditional-compiling-type directives to simply generate a text file?
I seem to remember having such a thing during my QuickBASIC programming days.
Cheers!
Mickster
I seem to remember having such a thing during my QuickBASIC programming days.
Cheers!
Mickster
Comments
Time to fire-up the old PowerBASIC I guess
Regards,
Mickster