This program was written by Richard Verhoeven (NL:5482ZX35)
at the Eindhoven University of Technology. Email: rcb5@win.tue.nl
 
Permission is granted to distribute, modify and use this program as long
as this comment is not removed or changed.
 
THIS IS A MODIFIED VERSION.  IT WAS MODIFIED BY chet@po.cwru.edu FOR
USE BY BASH.