#print
You can put any number of characters between the
brackets.  For example,
  ab[123456789]
could match up to 9 names, of the sort
  ab1, ab2, ab3, ab4, ab5, ...
How many of the following names exist in this
directory?
  p1end, p2end, p3end, p4end, p5end
Check with a ordinary "ls".  Type "answer N" when you
know.
#once #create p1end
#once #create p3endx
#once #create p4end
#once #create p6end
#copyin
#user
#uncopyin
#match 2
#log
#next
8.1a 10
8.2a 5