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Annotation of 42BSD/usr.lib/learn/editor/L16.2a, revision 1.1

1.1     ! root        1: #print
        !             2: So far you have always appended to an empty file,
        !             3: so that there was no problem about where the appended lines
        !             4: were placed in the file.  If the file you're appending to
        !             5: already has lines in it, you can say where you want the
        !             6: new material to be placed by giving a line address with 'a',
        !             7: and you can check on this by printing the file.
        !             8: Try the following sequence and note what happens to the new lines
        !             9: that are added with the "3a" command:
        !            10: 
        !            11: ex rivers
        !            12: 1,$p
        !            13: 3a
        !            14: merrimack
        !            15: connecticut
        !            16: hudson
        !            17: .
        !            18: 1,$p
        !            19: wq
        !            20: ready
        !            21: #create Ref
        !            22: penobscot
        !            23: androscoggin
        !            24: kennebec
        !            25: merrimack
        !            26: connecticut
        !            27: hudson
        !            28: delaware
        !            29: susquehanna
        !            30: #create rivers
        !            31: penobscot
        !            32: androscoggin
        !            33: kennebec
        !            34: delaware
        !            35: susquehanna
        !            36: #user
        !            37: #cmp rivers Ref
        !            38: #log
        !            39: #next
        !            40: 16.2c 5

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