Date: Thu, 25 Jun 2009 13:45:49 +0200 From: Ruben de Groot <mail25@bzerk.org> To: "John L. Templer" <green_tiger@comcast.net> Cc: Manish Jain <invalid.pointer@gmail.com>, bf1783@googlemail.com, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: The question of moving vi to /bin Message-ID: <20090625114549.GA26683@ei.bzerk.org> In-Reply-To: <4A430CDF.2010205@comcast.net> References: <4A430505.2020909@gmail.com> <4A430CDF.2010205@comcast.net>
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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
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