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+#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