l13.2b

<B>Digital的Unix操作系统VAX 4.2源码</B>

#print
How many lines are there in file "henry"?
When you find out, leave the editor, and
then type "answer N" where N is the number
of lines in file "henry".
#create henry
Murray Hill
Holmdel
Whippany
Madison
Piscataway
Chester
Warren
#copyin
#user
#uncopyin
#match 7
#log
#next
13.3a 10