Files:

o	drawtickets

	Script that generates ticket numbers given the ranges of
	tickets.  The ranges are of the form "m-n", where "m" is
	the lowest-numbered ticket on a given roll, and "n" is
	the highest-numbered ticket on that same roll.  Commas
	may be used in the numbers if desired, so "10,000" and
	"10000" are treated the same.  Use "^D" or "^C"
	(control-D or control-C) to terminate the program.

	Usage example:  ./drawtickets 10,000-19,999 30,000-34,999

	Sample output:

		Total number of tickets: 15000
		Hit Enter to generate ticket:
		Ticket 1: 13904
		Hit Enter to generate ticket:
		Ticket 2: 18642
		Hit Enter to generate ticket:
		Ticket 3: 31132
		Hit Enter to generate ticket:
		Ticket 4: 32451
		Hit Enter to generate ticket:
		Ticket 5: 17574
		Hit Enter to generate ticket:

o	testerrors.sh

	Script that tests ./drawtickets ability to reject erroneous
	ticket ranges.

o	testerrors.sh.out

	Expected output from running "sh testerrors.sh".


Bugs:

o	Does not operate correctly under some of the BSDs due to
	difference in sed RE syntax.  Reported by Greg Lehey.
