[Gllug] ed vs emacs/vi, was: ed vs emacs, was: OpenMoko Neo Freerunner

[Harry Rickards]

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On 05/10/09 10:39, Bruce Richardson wrote:
> On Sun, May 10, 2009 at 09:58:09AM +0100, Harry wrote:
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>>> Sed was originally called gres, the idea being that it would do a very
>>> similar job to grep but with substitution.  Along the way, the developer
>>> decided to add more functionality and he deliberately based the new
>>> tool's command set on ed's commands because it had become so unversally
>>> known; so he named the tool "sed" to reinforce that sense of
>>> progression.
>>>
>>>
>> Thanks for the explanation. So I sort of use sed all the time (with grep).
> 
> Not really, no.  You were more correct to say that sed is ed for
> streams.  sed's *original* inspiration was the way in which grep focused
> on one part of ed's functionality but then Lee McMahon realised that the
> logical conclusion of that would be a whole series of specialised "gre*"
> tools, each delivering a particular subset of ed's features, so he
> expanded the purpose of gres and made sed.
> 
> 
> 
Sorry, I meant to write *ed* not sed.

- -- 
Many thanks
Harry Rickards

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