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Annotation of 42BSD/usr.lib/learn/editor/L7.1a, revision 1.1

1.1     ! root        1: #print
        !             2: Although specifying lines by line number is
        !             3: easy to understand, it is hard to do in a long
        !             4: file.  You will therefore want to learn other
        !             5: ways of addressing lines.  The 'current line'
        !             6: is addressed with the symbol 
        !             7:   .
        !             8: so that it can be printed, for example with
        !             9:   .p
        !            10: just as you could print a line by "3p".
        !            11: Try that in this file; the current line is
        !            12: set to the last line of the current file.
        !            13: Try ".p"; then "w", "q", and "ready" as usual.
        !            14: Here's the full file -
        !            15: 
        !            16: #create Ref
        !            17: :john quincy adams
        !            18: #create file
        !            19: george washington
        !            20: john adams
        !            21: thomas jefferson
        !            22: james madison
        !            23: james monroe
        !            24: john quincy adams
        !            25: #print file
        !            26: #copyout
        !            27: #pipe
        !            28: ex +'set prompt noopt open' file
        !            29: #user
        !            30: #unpipe
        !            31: #uncopyout
        !            32: grep quincy .ocopy >X1
        !            33: #cmp X1 Ref
        !            34: #log
        !            35: #next
        !            36: 7.1b 10

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