On Thu, Jun 25, 2009 at 01:36:31AM -0400, John L. Templer typed: > > ed is an interactive program, and it has always been considered as such, > at least since BSD 4.2. Way back then there were three main editors, > ex, vi, and ed. If you had a nice video terminal then you used vi. But > if you were stuck using a hard copy terminal like a Decwriter, then you > used ex. And ed was the simplified (dumbed down) editor for newbies. > > ed is an interactive program because the user "interacts" with it. You > give it command, it does something, you give it some more commands, it > does more stuff, etc. Interactive does not mean screen based.
ed can be used very well non-interactively. e.g. a script made by diff -e can be piped to it. Ruben _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"