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Annotation of 42BSD/usr.lib/learn/editor/L30.2a, revision 1.1.1.1

1.1       root        1: #print
                      2: Changing a whole line with the 'c' command is a slow way
                      3: to work when you only want to change a few letters.  The 's' (substitute)
                      4: command changes the letters within a line.  For example, the command
                      5:   s/abc/def/
                      6: will change a line reading
                      7:   xxxabc
                      8: into one reading
                      9:   xxxdef
                     10: by replacing the string 'abc' with 'def'.  Try the following sequence which
                     11: alters the first line of the file 'test' within this directory:
                     12: 
                     13: ex test
                     14: 1p
                     15: s/months/years/
                     16: 1p
                     17: wq
                     18: ready
                     19: #create Ref
                     20: Four score and seven years ago our
                     21: fathers brought forth ...
                     22: #create test
                     23: Four score and seven months ago our
                     24: fathers brought forth ...
                     25: #user
                     26: #cmp test Ref
                     27: #log
                     28: #next
                     29: 30.2b 5

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