[NTLUG:Discuss] In-place file editor

[Eric Schnoebelen]

Leroy Tennison writes:
- Looking for a scriptable (non-interactive) program which will modify a 
- text file without deleting the original and replacing it with a new 
- one.

	ed(1) fed via a here-document?

	Since ed(1) accepts commands from stdin (and not the
tty) you can easily feed it a here-document of commands to do
the appropriate edits.

--
Eric Schnoebelen		eric at cirr.com		http://www.cirr.com
    Celestial navigation is based on the premise that the Earth is the
    center of the universe.  The premise is wrong, but the navigation
    works.  An incorrect model can be a useful tool. -- Kelvin Throop III