# vi Learn on the road - fengmk2

# vi Learn on the road

## vim config file

```
# .vimrc config by me
set expandtab
set tabstop=4
set shiftwidth=4
set nonumber
set smarttab
```

k up l right j down h right;
space right;
G move cursor to header of end line of file;

```js
function foo(abc) {
  console.log("hello world");
}
```

u undo last change; U undo all changes to entire line;

dd delete current cursor line.
3dd delete next 3 lines;
D delete contents of line after cursor;
C delete contents of line after cursor and insert;

dw delete word
cw change word
x delete char at curosr.

R Overwrite char form cursor onward;
s Substitute entire line
abc on right

```js
function a(){
	function() {
		console.log('hello world');
	}
}
```

```
:r !date
2011年 04月 01日 星期五 20:52:55 CST
```

查找当前单词

```
:s/\t/    /g
```

replace tab to 4 space in current line.(how to replace all?)