Author: Stan Eisenstat
Subject: Re: [Cs223] Infinite loop
Date: Tuesday, 18 Feb 2020, 21:14:38

    > Message Posted By: Unknown
    >
    > Does infinite loop in Note 4 imply that Fi equals Ti for some pairs? I'm
    > not able to think of an example using r/s/R flag where the line is
    > unchanged but the string to be replaced and the replacement string is
    > different. Thanks.

No.  For example,

  % echo abc | ./strwrs -r +a a
  abc

--Stan-