VIM - Walking without crutches

TWO REASONS YOU DIS VIM

1. You don't grok Vim

i don't blame you

2. You confuse it with Vi

shame on you

Vi is like a bent coathanger

MISCONCEPTIONS

Emacs is extensible
Emacs is a memory hog
Emacs has a long startup time

MISCONCEPTIONS

Vim is not extensible
Vim has fast startup time
Vim has a low memory footprint

Vim release 5.0 introduced basic scripting

TRUTH

Emacs footprint is small by today's standards
Vim plugins can increase startup time

MODAL INTERFACES

Visual cheat sheet for VIM

WHY MODAL?

MODAL INTERFACES

are good

Remote controls for TV, DVD & Sky box

The iPhone is a modal interface

In a modal interface

Every button performs a different function in each mode

In a touch interface

Every pixel performs a different function in each mode

MODAL INTERFACES

are everywhere

MODAL INTERFACES

Safari: ⌘-F

MODAL INTERFACES

TextMate: ⌘-F

TextMate's find/replace dialogue box

MODAL INTERFACES

TextMate: ⌘-A

cmd-A selects all text

cmd-A selects all files

TEXTMATE

IS A

MODAL EDITOR!

not a very good one

MODAL INTERFACES

are everywhere

What is the collective noun

for

LIBRARIANS?

CRUTCHES

NERD Tree

INDENTATION

TextMate

⌘] - indent
⌘[ - outdent

demo

Vim

> - indent
< - outdent

demo

vmap <D-]> >gv
vmap <D-[> <gv

CODE SMELL?

demo

>..
<..

THE VIM WAY

do it (>)
repeat (.)
reverse (u)

What is the collective noun

for

OPTIMISTS?

THINKING

and

DOING

Think a thought, act on it

Agile mind

Models and Tests

Jump to test

what is current_model?
⌘T crtmdtes

rails_app/
  app/
    models/
      thing.rb
      other.rb
  spec/
    models/
      thing_spec.rb
      other_spec.rb

rails.vim

`:A`

jump to alternate file

demo

Coin spin

Don't make me think

What is the collective noun

for

SURREALISTS?

MOVING THE CURSOR

Cursor target

FITT'S LAW

the time required to rapidly move to a target area is a function of the distance to and the size of the target

Fitt's law illustrated

[duh]

Fitt's law illustrated

Cursor keys

The legal moves for a Rook in chess

Cursor keys

HUNT & PECK

The legal moves for a Knight in chess

The Knight can move

two squares along, then one square on the perpendicular axis

The Knight can move

to the closest squares that no other piece can reach

The legal moves for a Queen in chess

In chess, the Queen has blind spots

FINDING CHARACTERS

f{char} jumps to next occurence of {char}

`fp`

scrabble tiles

`ft`

`;`

`ft;;;`

THE VIM WAY

do it (f{char})
repeat (;)
reverse (,)

Besides mindreading

use with d{motion}
use with c{motion}

Inclusive or exclusive

f/F land on the match
t/T stop one short of the match

demo

LIMITATIONS

`f{char}`

only works
on current line
for single characters

SEARCH

TYPING

REPLACES

SELECTION

OS-wide

demo

VISUAL MODE

just another mode

YOU CAN SEARCH

in visual mode

demo

THE VIM WAY

do it (/pattern)
repeat (n)
reverse (N)

What is the collective noun

for

NINJAS?

TEXT OBJECTS

`f{char}` & `/search`

TEXT OBJECTS

define regions of text by structure

"quotes"

a" - a quoted string
i" - inner quoted string

(brackets)

ab - a block
ib - inner block

{braces}

aB - a Block
iB - inner Block

`<xml>`tags`</xml>`

at - a tag block
it - inner tag block

demo

THANKS

Image Credits

JUST ONE MORE THING...

QUESTIONS?

:help

Showoff Menu

TWO REASONS YOU DIS VIM

1. You don't grok Vim

2. You confuse it with Vi

MISCONCEPTIONS

MISCONCEPTIONS

TRUTH

MODAL INTERFACES

WHY MODAL?

MODAL INTERFACES

In a modal interface

Every button performs a different function in each mode

In a touch interface

Every pixel performs a different function in each mode

MODAL INTERFACES

MODAL INTERFACES

MODAL INTERFACES

MODAL INTERFACES

TEXTMATE

IS A

MODAL EDITOR!

MODAL INTERFACES

What is the collective noun

for

LIBRARIANS?

CRUTCHES

NERD Tree

INDENTATION

TextMate

demo

Vim

demo

CODE SMELL?

demo

THE VIM WAY

What is the collective noun

for

OPTIMISTS?

THINKING

and

DOING

Models and Tests

Jump to test

rails.vim

:A

demo

What is the collective noun

for

SURREALISTS?

MOVING THE CURSOR

FITT'S LAW

[duh]

HUNT & PECK

The Knight can move

two squares along, then one square on the perpendicular axis

The Knight can move

to the closest squares that no other piece can reach

FINDING CHARACTERS

FINDING CHARACTERS

fp

ft

;

ft;;;

THE VIM WAY

Besides mindreading

Inclusive or exclusive

demo

LIMITATIONS

f{char}

SEARCH

TYPING

REPLACES

SELECTION

demo

VISUAL MODE

YOU CAN SEARCH

in visual mode

demo

THE VIM WAY

What is the collective noun

`:A`

`fp`

`ft`

`;`

`ft;;;`

`f{char}`

`f{char}` & `/search`

`<xml>`tags`</xml>`