Vim学习笔记

主要内容来自 vimtutor.

## vimtutor
x d - del
	- dd - del whole line
i a - add
A = $a
w - to next word
	- space 分割
	- 连续标点看做一个单词， 包括汉字标点
	- 汉字看做一个单词
	- exclusive
e - to end of word
	- inclusive
u c-r - undo/redo
p - paste
	- insert after cursor
	- = a c-v/A c-v(whole line)
y - copy
r - replace one char
R - replace mode
c = d&i
	- ce = dei/a (a when reach end of line)
	- caw = dwi/a (not to use cw)
G - jump to line
	- G - end of file
	- gg - first line of file
/ ? - search forward/backward
	- n/N - next/prev
c-o c-i - back/reback ---- 
% - go to {}()[] matched
	- or go to next ]})
:s - replace
	- #,# / % range
	- g - all
	- c - ask
:! - outside command
v - visual
	- inclusive
o = A<cr>
O = kA<cr>
:set ic (ignore case) hls (hlsearch) is (incsearch)
:r file - o && append file 
:r file - o && append file 
:help
<c-d> tab - 补全
<c-w> jump among windows

## Insert
i I a A o O
## Copy/Paste
y yy
p s-p
v V <c-v>
## Delete
x 
d dd
## File
:o file
## Multiple Windows
:[n]sp file = vim -o files
:[n]vs file = vim -O files
 ^ lines
<c-w> h/j/k/l - move
<c-w> + - = < >
<c-w> q
## Multiple Tabs
:tabe tabc tabo
<c-pu/pd>

## cmd
set xx/noxx/invxx

set list "show invisible characters

"hex
:%!xxd "show hex
:%!xxd -r  "convert back
u "alternative

:redir (([>] / >>) filename) / (@xx ([>] / >>)) "redirect to file/register
:redir END "end

:| "execute multiple commands; not pipe

:expand(expr) "expand wildcards and keywords to string
:let @"=expand("% [:p] ") "copy file name/path

## register
1. The unnamed register ""
	- `"` = ``; which means `p` = `""p` 
2. 10 numbered registers "0 to "9
	- `y` -> `0`
	- `d`/`c`/`s`/`x` -> '1' ~ '9'
		- only when deling whole line
		- otherwise, -> `-`
3. The small delete register "-
4. 26 named registers "a to "z or "A to "Z
	- when `p`: 'a' = 'A'
	- when `y` and so on: 'a': overwrite, 'A': append
5. three read-only registers ":, "., "%
	- `.`: str in the insert mode
	- `%`: file name
6. alternate buffer register "#
7. the expression register "=
8. The selection and drop registers "*, "+ and "~ 
9. The black hole register "_
10. Last search pattern register "/

@xx : string in the register

c-r + register: paste

## 宏录制
q + register 
q
[n + ]@ + register

## Code folding
set fdm=manual
zc zo
zC zO
zf + sw. - fold
zd zD - del

## variables
display:
	echo $xxx - environment variable
	echo &xxx - option value
	echo @xxx - register
	echo xxx  - other variables
set + [no]option
let var = value

## encoding
set encoding=xxx
set fileencoding=xxx "change the encoding of file
set fileencodings=xxx,xxx

:e ++enc=xxx "reload
"about encoding : http://www.fmddlmyy.cn/text6.html

## linebreak
unix: 
 
dos: 
 
mac: 

:e ++ff=xx "dos/unix/mac
:set ff=xx "convert

参考

• Vim 的 help 文档
• vimtutor
• Vim命令合集 - 简书