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Annotation of 42BSD/usr.lib/learn/editor/L42.1a, revision 1.1.1.1

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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