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Annotation of 42BSD/usr.lib/learn/editor/L10.3a, revision 1.1.1.1

1.1       root        1: #print
                      2: Often you want to refer to the last line
                      3: of the file.  You don't have to know the number
                      4: of lines in the file to do that; there
                      5: is a special address, "$", that always
                      6: refers to the last line.  So you
                      7: can print the last line of a file with $p;
                      8: try that, then type w, q and ready as usual.
                      9: #create Ref
                     10: :This is the end of the file and the line you should print.
                     11: :"file" 3 lines, 95 characters
                     12: #create file
                     13:  don't print this line
                     14:  or this one
                     15: This is the end of the file and the line you should print.
                     16: #copyout
                     17: #pipe
                     18: ex +'set prompt noopt open' file
                     19: #user
                     20: #unpipe
                     21: #uncopyout
                     22: tail -2 .ocopy >X1
                     23: #cmp X1 Ref 2
                     24: #log
                     25: #next
                     26: 10.3b 5
                     27: 10.3c 10

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