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Annotation of 42BSD/usr.lib/learn/editor/L42.1a, revision 1.1

1.1     ! root        1: #print
        !             2: Normally the 's' command only changes
        !             3: the first instance on a line of the expression
        !             4: it is looking for.  Sometimes you want to change
        !             5: more than one instance.  If you put a 'g' after the
        !             6: command, as in
        !             7:   s/cat/dog/g
        !             8: all instances of 'cat' will be changed to 'dog'. To
        !             9: print the result you must say
        !            10:   s/cat/dog/gp
        !            11: ('pg' at the end doesn't work, sorry).
        !            12: Edit file 'stuff' in this directory to change every
        !            13: instance of 'green' to 'red' on every line.
        !            14: Then rewrite the file and type "ready".
        !            15: #create Ref
        !            16: red light, village red
        !            17: red book, red paper, red pencil
        !            18: red car, red sign, redhorn
        !            19: #create stuff
        !            20: green light, village green
        !            21: green book, green paper, green pencil
        !            22: green car, green sign, greenhorn
        !            23: #user
        !            24: #cmp stuff Ref
        !            25: #log
        !            26: #next
        !            27: 43.1a 10
        !            28: 43.2a 5

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