Created for and presented at Auburn's Ethical Hacking Club. 2-25-20

2. Vim
How to Develop Like a Ninja
Alex Lewin
Sources: Vysakh Sreenivasan
https://www.slideshare.net/vysakh0/introduction-to-vim-the-text-editor
https://thoughtbot.com/blog/learning-vim-in-a-week

3. What is Vim?
• Text Editor (kind of like sublime/notepad)
• You don’t use your mouse
• Provides a language for editing

4. Talk Goals:
1. Learn How to Learn Vim
2. Show that it’s worth the effort

5. Infamous Learning Curve

6. Infamous Learning Curve
Vim Confidence vs. Time

7. Infamous Learning Curve
Vim Confidence vs. Time

8. Demo Video – No Vim vs. Vim
https://youtu.be/DAUxjfiD4hY

9. Demo Video – No Vim vs. Vim
https://youtu.be/DAUxjfiD4hY

10. The Ninja
Setup

11. 1. Remap Caps Lock to ESC
2. Lower Key-Repeat Delay
(Google how to… Easy on Mac)
Keyboard

12. Elementary
Vim-speak

13. Modes
• Insert Mode – Lets you type (hit i)
• Visual Mode – Highlighting (hit v)
• Normal Mode – Everything Else (default, hit ESC to get back)

14. If you want it, put in “your vimrc"
Settings
Steal Mine: https://github.com/alexlwn123/.vimrc
~/.vimrc

15. How to code like a Ninja

16. Fly around like Superman
(without a mouse)
Step 1
Don’t try to memorize the commands. Just know they exist.

17. Superman (aka. Your cursor)

18. - Beginning or End of the street
- Next or Previous street
- ANYWHERE
Just by saying a magic word
He can teleport to the…

19. (magic words  motions)
How superman moves
(without a mouse)

20. What superman sees around
j
k
h l
b e
These are few positions in the file
$
0

21. Cursor movements:
The quick brown fox jumps.
j
k
h l
reddit.com/r/vimkeyboard

22. File movements:
gg first line
G last line
Line movements:
0 beginning of the line
$ end of the line

23. w word forward
b word backward
( sentence forward
) sentence backward
{ paragraph forward
} paragraph backward

24. w 2w
2b b

25. TODO 1: Master movement
- Just learn how to reach a particular position in a file.
- $ vimtutor
- pacvim
(brew install pacvim)
- Vim-Adventures.com

26. Learn to Fight!
(Edit text using vim motions)
Step 2

27. action + motion
Superman applies action along motion

28. Actions
- Delete d
- Yank (copy) y
- Change c

29. - Word w
- End of Line $
- Start of Line 0
- ‘till letter x tx
Motions (Objects)

30. Delete Word
d w

31. Delete Word
d w
2
2x

32. w 2w
2b b
dw (delete a word)

33. ‘till comma
t ,
c
Change

34. Yank to the beginning
of the line
y 0

35. w 2w
2b b
y0 (yank till beginning of line)
0

36. TODO #2:
Learn to apply actions
while moving around

37. yy yanks (copies) the current line
dd deletes the current line
cc changes the current line
gUgU upcase the current line
Shortcut - doing the action twice

38. inside(i) the object or around(a) the object
:h text-objects
(This is where it get cool)

39. word
sentence
paragraph
" ", ‘ ‘
[], (), {}, <>
tags <p></p>
Vim treats these as objects

40. Actions
- Paragraph p
- Sentence s
- Tag <p1></p1> t
- ‘ ‘ , “ ”
- (, [, {, <
- Delete d
- Yank y
- Change c
Text Objects
Where
- Inside i
- Around a

41. - From the cursor position, you can say this
entire thing inside quotes using i”
- From the cursor position, you can say this
entire thing of quotes using a”
“This quote is an object”

42. di”
(delete inside quotes)

43. Misc Essentials
- Save :w
- Quit :q :wq
- Search /
- Undo / Redo u <Ctrl>r
Cheat Sheet: devhints.io/vim

45. Becoming a Ninja
Powerhouse Features

46. Tabs
:tabedit :tabe

47. Windows
:split or :vs

48. Delete(globally) all the lines that has the
word "cool".
:g/cool/d

49. Substitute “cool” with hot in all the lines and
places
:%s/cool/hot/g

50. Substitute “cool” with hot in all the lines that
have “weather”
:g/weather/s/cool/hot/g

51. Print any line that matches the regular
expression.
grep

52. Print any line that matches the regular
expression.
:g/re/p

53. Some Final
Thoughts…

54. Learning
Vim is an
investment

55. Don’t Start at
Work

56. Yes. Vim can do
that.

57. Think about the
End Goal

58. - http://stackoverflow.com/questions/1218390/what-is-your-most-
productive-shortcut-with-vim/1220118#1220118
- http://yanpritzker.com/2011/12/16/learn-to-speak-vim-verbs-nouns- and-
modifiers/
- http://vimcasts.org/
Few links to look at