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Annotation of 43BSDTahoe/usr.lib/learn/editor/L6.1a, revision 1.1.1.1

1.1       root        1: #print
                      2: You may well ask how the editor knows which line to print.
                      3: The editor keeps track of the 'current line', which
                      4: is usually the last line you touched in any way.
                      5: When you begin editing a file, for example, the
                      6: current line is the last line.
                      7: If you want to print any particular line, however,
                      8: that is easy.  For example, to print the 3rd line you say
                      9:   3p
                     10: To print the first line
                     11:   1p
                     12: (That's a one, no matter how much it looks like the letter "l".)
                     13: Here is a file: I'll put you into the editor
                     14: with that file as the 'current file' - print the 4th line,
                     15: then type 'w', 'q', and "ready" as usual.
                     16: #create Ref
                     17: :james madison
                     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 madison .ocopy >X2
                     33: #cmp Ref X2
                     34: #log
                     35: #next
                     36: 7.1a 10

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