Pedro L Coutin / EVE workshop notes and slides

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emacs 1 1 emacs
vi/vim (optional) 2 2 vi/vim (optional)
ed 3 3 ed
sam 4 4 sam
sublime 5 5 sublime
acme 6 6 acme
7 7
Original UNIX text editor. Line editor, originally used on 8 8 Original UNIX text editor. Line editor.
teletypes. 9
10 9
Most of the original research Unix operating system was written 11 10 Most of the original research Unix operating system was written
with ed on clunky teletypes. 12 11 with ed on clunky teletypes.
13 12
First written in 1971 by Ken Thompson. 14 13 First written in 1971 by Ken Thompson.
15 14
Regular expressions. 16 15 Regular expressions.
17 16
Commands: 18 17 Commands:
19 18
a append 20 19 a append
21 20
. dot, current line 22 21 . dot, current line
23 22
1 First line 24 23 1 First line
2 Second line 25 24 2 Second line
... 26 25 ...
$ Last line 27 26 $ Last line
28 27
s/old/new Substitute 29 28 s/old/new Substitute
p Print 30 29 p Print
n Print with line numbers (BSD, GNU addition) 31 30 n Print with line numbers (BSD, GNU addition)
32 31
No automatic indentation. 33 32 No automatic indentation.
34 33
Why ed? 35 34 Why ed?
======= 36 35 =======
37 36
If you end up having to fix a very broken *nix system, you might 38 37 If you end up having to fix a very broken *nix system, you might
not be able to use nano, or even a vi derivative. It's possible that 39 38 not be able to use nano, or even a vi derivative. It's possible that
you could be forced to use ed under some strange scenarios, although 40 39 you could be forced to use ed under some strange scenarios, although
unlikely. 41 40 unlikely.
42 41
Also, regular expressions! 43 42 Also, regular expressions!
44 43
Also, if you have to do any CTF problems for UNIX v6 or v7... 45 44 Also, if you have to do any CTF problems for UNIX v6 or v7...