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  1.  Home
  2. RPG400-L
  3. February 2010

RE: Replace 1 Char with 3Char's

I would open the existing file (fd_in) and create a new file (fd_out).
Then
read fd_in one char at a time, check the value of char, if it is not
the
value to be replaced, write it to fd_out - if it is the value to be
replaced, write CrLf to fd_out and then write char to fd_out.

This is exactly the function of sed, except that sed can do (oh so much)
more, and requires zero debugging time. Plus it's a widely supported and
portable solution. It's really, really worth the short time it'll take to
learn this tool. It has saved me countless hours of programming over the
years.

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"Man invented language to satisfy his need to complain."
-- Lily Tomlin




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