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250 lines
8.6 KiB
Markdown
250 lines
8.6 KiB
Markdown
FZF Vim integration
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===================
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This repository only enables basic integration with Vim. If you're looking for
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more, check out [fzf.vim](https://github.com/junegunn/fzf.vim) project.
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(Note: To use fzf in GVim, an external terminal emulator is required.)
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`:FZF[!]`
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---------
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If you have set up fzf for Vim, `:FZF` command will be added.
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```vim
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" Look for files under current directory
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:FZF
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" Look for files under your home directory
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:FZF ~
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" With options
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:FZF --no-sort --reverse --inline-info /tmp
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" Bang version starts fzf in fullscreen mode
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:FZF!
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```
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Similarly to [ctrlp.vim](https://github.com/kien/ctrlp.vim), use enter key,
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`CTRL-T`, `CTRL-X` or `CTRL-V` to open selected files in the current window,
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in new tabs, in horizontal splits, or in vertical splits respectively.
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Note that the environment variables `FZF_DEFAULT_COMMAND` and
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`FZF_DEFAULT_OPTS` also apply here.
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### Configuration
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- `g:fzf_action`
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- Customizable extra key bindings for opening selected files in different ways
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- `g:fzf_layout`
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- Determines the size and position of fzf window
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- `g:fzf_colors`
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- Customizes fzf colors to match the current color scheme
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- `g:fzf_history_dir`
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- Enables history feature
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#### Examples
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```vim
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" This is the default extra key bindings
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let g:fzf_action = {
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\ 'ctrl-t': 'tab split',
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\ 'ctrl-x': 'split',
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\ 'ctrl-v': 'vsplit' }
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" An action can be a reference to a function that processes selected lines
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function! s:build_quickfix_list(lines)
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call setqflist(map(copy(a:lines), '{ "filename": v:val }'))
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copen
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cc
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endfunction
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let g:fzf_action = {
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\ 'ctrl-q': function('s:build_quickfix_list'),
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\ 'ctrl-t': 'tab split',
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\ 'ctrl-x': 'split',
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\ 'ctrl-v': 'vsplit' }
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" Default fzf layout
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" - down / up / left / right
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let g:fzf_layout = { 'down': '~40%' }
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" You can set up fzf window using a Vim command (Neovim or latest Vim 8 required)
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let g:fzf_layout = { 'window': 'enew' }
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let g:fzf_layout = { 'window': '-tabnew' }
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let g:fzf_layout = { 'window': '10new' }
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" Customize fzf colors to match your color scheme
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let g:fzf_colors =
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\ { 'fg': ['fg', 'Normal'],
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\ 'bg': ['bg', 'Normal'],
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\ 'hl': ['fg', 'Comment'],
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\ 'fg+': ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
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\ 'bg+': ['bg', 'CursorLine', 'CursorColumn'],
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\ 'hl+': ['fg', 'Statement'],
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\ 'info': ['fg', 'PreProc'],
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\ 'border': ['fg', 'Ignore'],
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\ 'prompt': ['fg', 'Conditional'],
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\ 'pointer': ['fg', 'Exception'],
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\ 'marker': ['fg', 'Keyword'],
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\ 'spinner': ['fg', 'Label'],
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\ 'header': ['fg', 'Comment'] }
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" Enable per-command history.
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" CTRL-N and CTRL-P will be automatically bound to next-history and
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" previous-history instead of down and up. If you don't like the change,
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" explicitly bind the keys to down and up in your $FZF_DEFAULT_OPTS.
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let g:fzf_history_dir = '~/.local/share/fzf-history'
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```
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`fzf#run`
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---------
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For more advanced uses, you can use `fzf#run([options])` function.
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`fzf#run()` function is the core of Vim integration. It takes a single
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dictionary argument. At the very least, specify `sink` option to tell what it
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should do with the selected entry.
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```vim
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call fzf#run({'sink': 'e'})
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```
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Without `source`, fzf will use find command (or `$FZF_DEFAULT_COMMAND` if
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defined) to list the files under the current directory. When you select one,
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it will open it with `:e` command. If you want to open it in a new tab, you
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can pass `:tabedit` command instead as the sink.
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```vim
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call fzf#run({'sink': 'tabedit'})
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```
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fzf allows you to select multiple entries with `--multi` (or `-m`) option, and
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you can change its bottom-up layout with `--reverse` option. Such options can
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be specified as `options`.
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```vim
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call fzf#run({'sink': 'tabedit', 'options': '--multi --reverse'})
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```
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Instead of using the default find command, you can use any shell command as
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the source. This will list the files managed by git.
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```vim
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call fzf#run({'source': 'git ls-files', 'sink': 'e'})
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```
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Pass a layout option if you don't want fzf window to take up the entire screen.
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```vim
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" up / down / left / right / window are allowed
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call fzf#run({'source': 'git ls-files', 'sink': 'e', 'right': '40%'})
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call fzf#run({'source': 'git ls-files', 'sink': 'e', 'window': '30vnew'})
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```
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`source` doesn't have to be an external shell command, you can pass a Vim
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array as the source. In the following example, we use the names of the open
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buffers as the source.
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```vim
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call fzf#run({'source': map(filter(range(1, bufnr('$')), 'buflisted(v:val)'),
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\ 'bufname(v:val)'),
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\ 'sink': 'e', 'down': '30%'})
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```
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Or the names of color schemes.
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```vim
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call fzf#run({'source': map(split(globpath(&rtp, 'colors/*.vim')),
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\ 'fnamemodify(v:val, ":t:r")'),
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\ 'sink': 'colo', 'left': '25%'})
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```
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The following table shows the available options.
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| Option name | Type | Description |
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| -------------------------- | ------------- | ---------------------------------------------------------------- |
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| `source` | string | External command to generate input to fzf (e.g. `find .`) |
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| `source` | list | Vim list as input to fzf |
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| `sink` | string | Vim command to handle the selected item (e.g. `e`, `tabe`) |
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| `sink` | funcref | Reference to function to process each selected item |
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| `sink*` | funcref | Similar to `sink`, but takes the list of output lines at once |
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| `options` | string/list | Options to fzf |
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| `dir` | string | Working directory |
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| `up`/`down`/`left`/`right` | number/string | Use tmux pane with the given size (e.g. `20`, `50%`) |
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| `window` (Vim 8 / Neovim) | string | Command to open fzf window (e.g. `vertical aboveleft 30new`) |
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| `launcher` | string | External terminal emulator to start fzf with (GVim only) |
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| `launcher` | funcref | Function for generating `launcher` string (GVim only) |
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`options` entry can be either a string or a list. For simple cases, string
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should suffice, but prefer to use list type if you're concerned about escaping
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issues on different platforms.
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```vim
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call fzf#run({'options': '--reverse --prompt "C:\\Program Files\\"'})
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call fzf#run({'options': ['--reverse', '--prompt', 'C:\Program Files\']})
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```
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`fzf#wrap`
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----------
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`:FZF` command provided by default knows how to handle `CTRL-T`, `CTRL-X`, and
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`CTRL-V` and opens the selected file in a new tab, in a horizontal split, or
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in a vertical split respectively. And these key bindings can be configured via
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`g:fzf_action`. This is implemented using `--expect` option of fzf and the
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smart sink function. It also understands `g:fzf_colors`, `g:fzf_layout` and
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`g:fzf_history_dir`. However, `fzf#run` doesn't know about any of these
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options.
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By *"wrapping"* your options dictionary with `fzf#wrap` before passing it to
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`fzf#run`, you can make your command also support the options.
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```vim
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" Usage:
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" fzf#wrap([name string,] [opts dict,] [fullscreen boolean])
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" This command now supports CTRL-T, CTRL-V, and CTRL-X key bindings
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" and opens fzf according to g:fzf_layout setting.
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command! Buffers call fzf#run(fzf#wrap(
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\ {'source': map(range(1, bufnr('$')), 'bufname(v:val)')}))
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" This extends the above example to open fzf in fullscreen
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" when the command is run with ! suffix (Buffers!)
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command! -bang Buffers call fzf#run(fzf#wrap(
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\ {'source': map(range(1, bufnr('$')), 'bufname(v:val)')}, <bang>0))
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" You can optionally pass the name of the command as the first argument to
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" fzf#wrap to make it work with g:fzf_history_dir
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command! -bang Buffers call fzf#run(fzf#wrap('buffers',
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\ {'source': map(range(1, bufnr('$')), 'bufname(v:val)')}, <bang>0))
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```
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fzf inside terminal buffer
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--------------------------
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The latest versions of Vim and Neovim include builtin terminal emulator
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(`:terminal`) and fzf will start in a terminal buffer in the following cases:
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- On Neovim
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- On GVim
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- On Terminal Vim with the non-default layout
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- `call fzf#run({'left': '30%'})` or `let g:fzf_layout = {'left': '30%'}`
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### Hide statusline
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When fzf starts in a terminal buffer, you may want to hide the statusline of
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the containing buffer.
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```vim
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autocmd! FileType fzf
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autocmd FileType fzf set laststatus=0 noshowmode noruler
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\| autocmd BufLeave <buffer> set laststatus=2 showmode ruler
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```
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[License](LICENSE)
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------------------
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The MIT License (MIT)
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Copyright (c) 2017 Junegunn Choi
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