# VIM Cheat Sheet

## Split

- `<ctrl-w>s` or `:sp` or `:split` split with line running horizontally
- `<ctrl-w>v` or `:vsp` or `:vsplit` split with line running verticall
- `<ctrl-w>arrow` move to pane
- `<ctrl-w>c` close split
- `<ctrl-w>o` close all other splits
- `:q` close tab
- `:tab split` move split to new tab
- `:sp | b1` create new split with buffer 1

## Buffers

- `:b[num]` use buffer `[num]`
- `:bn` next buffer
- `:[num]bd` unload buffer `[num]`

## Tabs

- `gt` go to next tab
- `gT` go to next tab
- `[num]gt` go to tab `[num]`
- `:tabnew` open new tab
- `:tabc` close tab
- `:tabe` edit file in new tab

## Auto Complete

- `<ctrl-x><ctrl-o>` omni completion
- `<ctrl-y>,` emmet
- `<ctrl-]>` abbreviations
- `<ctrl-n>` word completion

## Navigation

### Cursor

- `hjkl` - move
- `w` - move to next word
- `b` - mve to previous word
- `H` move to top of screen
- `M` move to middle of screen
- `L` move to bottom of screen

### Screen

#### Paging

- `<ctrl-f>` page down
- `<ctrl-b>` page up
- `<ctrl-d>` half page down
- `<ctrl-u>` half page up

#### Scrolling

- `<ctrl + y>` to move the screen up one line.
- `<ctrl + e>` to move the screen down one line.

#### Adjusting Current Line Placement

- `zz` to move the current line I'm on to the center of the screen.
- `zt` to move the current line I'm on to the top of the screen.
- `zb` to move the current line I'm on to the bottom of the screen.

#### Move Screen to Specified Line Number

- `[num]zz` to move indicated line to the center of the screen.
- `[num]zt` to move indicated line to the top of the screen.
- `[num]zb` to move indicated line to the bottom of the screen.

## Editing

- `dw` delete forward to end of word
- `db` delete backward to beginning of word
- `D` delete to end of line
- `d^` delete to beginning of line
- `dvb` delete backward to beginning of word including current char
- `x` delete current char
- `X` delete previous char


## Search

- `:vim a *.*` - search for 'a' in all files in dir
- `:copen` / `cclose` open quickfix list to view matches of `:vim`
- `/` find
- `n` find next match
- `N` find previous match
- `:noh` stop search highlight
- `:%s/wordtochange/changedvalue/gc` search/replace


## Copying

- `"+y` copys visual selection to clipboard
- `yy` copys entire line
- `[num]yy` yank `[num]` lines
- `yb` yank previous word
- `yw` yank next word

## Formatting

- `=` auto indent selection/line
- `gg=G` auto indent entire buffer
- `J` join current line with next line

## Comments

- `\c<space>` - Nerdcommentor
- `<ctrl-v>` then select block. Then `<shift-i>` to enter insert.  Enter text and hit `Esc`

## Selection

- `v` visual character
- `V` visual line
- `<ctrl-v>` visual block
- `<option-click>` visual block, highlight from start to click point

## Commands

- `:%s/\s\+$//e` trim ending whitespace
- `:%retab!` convert spaces to tabs
- `NERDTree` open up nerd tree file explorer

## NERDTree

- `r` refresh tree