Pedro L Coutin / EVE workshop notes and slides

Authored by Pedro L Coutin 2015-01-10 01:21:22 -0800

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File was created	1	emacs
	2	vi/vim (optional)
	3	ed
	4	sam
	5	sublime
	6	acme
	7
	8	Original UNIX text editor. Line editor, originally used on
	9	teletypes.
	10
	11	Most of the original research Unix operating system was written
	12	with ed on clunky teletypes.
	13
	14	First written in 1971 by Ken Thompson.
	15
	16	Regular expressions.
	17
	18	Commands:
	19
	20	a append
	21
	22	. dot, current line
	23
	24	1 First line
	25	2 Second line
	26	...
	27	$ Last line
	28
	29	s/old/new Substitute
	30	p Print
	31	n Print with line numbers (BSD, GNU addition)
	32
	33	No automatic indentation.
	34
	35	Why ed?
	36	=======
	37
	38	If you end up having to fix a very broken *nix system, you might
	39	not be able to use nano, or even a vi derivative. It's possible that
	40	you could be forced to use ed under some strange scenarios, although
	41	unlikely.
	42
	43	Also, regular expressions!
	44