mirror of
https://github.com/Llewellynvdm/fzf.git
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354 lines
8.0 KiB
Markdown
354 lines
8.0 KiB
Markdown
fzf - Fuzzy finder for your shell
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=================================
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fzf is a general-purpose fuzzy finder for your shell.
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It was heavily inspired by [ctrlp.vim](https://github.com/kien/ctrlp.vim) and
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the likes.
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Requirements
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------------
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fzf requires Ruby (>= 1.8.5).
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Installation
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------------
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### Using install script
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Clone this repository and run
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[install](https://github.com/junegunn/fzf/blob/master/install) script.
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```sh
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git clone https://github.com/junegunn/fzf.git ~/.fzf
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~/.fzf/install
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```
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The script will generate `~/.fzf.bash` and `~/.fzf.zsh` and update your
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`.bashrc` and `.zshrc` to load them.
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### Manual installation
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Or you can just download
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[fzf executable](https://raw.github.com/junegunn/fzf/master/fzf) and put it
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somewhere in your search $PATH.
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```sh
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mkdir -p ~/bin
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wget https://raw.github.com/junegunn/fzf/master/fzf -O ~/bin/fzf
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chmod +x ~/bin/fzf
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```
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### Install as Ruby gem
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fzf can be installed as a Ruby gem
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```
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gem install fzf
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```
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It's a bit easier to install and update the script but the Ruby gem version
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takes slightly longer to start.
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### Install as Vim plugin
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You can use any Vim plugin manager to install fzf for Vim. If you don't use one,
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I recommend you try [vim-plug](https://github.com/junegunn/vim-plug).
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1. [Install vim-plug](https://github.com/junegunn/vim-plug#usage)
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2. Edit your .vimrc
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call plug#begin()
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Plug 'junegunn/fzf'
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" ...
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call plug#end()
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3. Run `:PlugInstall`
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Usage
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-----
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```
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usage: fzf [options]
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-m, --multi Enable multi-select
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-x, --extended Extended-search mode
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-q, --query=STR Initial query
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-s, --sort=MAX Maximum number of matched items to sort. Default: 1000
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+s, --no-sort Do not sort the result. Keep the sequence unchanged.
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+i Case-sensitive match
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+c, --no-color Disable colors
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```
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fzf will launch curses-based finder, read the list from STDIN, and write the
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selected item to STDOUT.
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```sh
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find * -type f | fzf > selected
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```
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Without STDIN pipe, fzf will use find command to fetch the list of
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files excluding hidden ones. (You can override the default command with
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`FZF_DEFAULT_COMMAND`)
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```sh
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vim $(fzf)
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```
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If you want to preserve the exact sequence of the input, provide `--no-sort` (or
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`+s`) option.
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```sh
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history | fzf +s
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```
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### Key binding
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Use CTRL-J and CTRL-K (or CTRL-N and CTRL-P) to change the selection, press
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enter key to select the item. CTRL-C, CTRL-G, or ESC will terminate the finder.
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The following readline key bindings should also work as expected.
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- CTRL-A / CTRL-E
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- CTRL-B / CTRL-F
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- CTRL-W / CTRL-U
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- ALT-B / ALT-F
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If you enable multi-select mode with `-m` option, you can select multiple items
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with TAB or Shift-TAB key.
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### Extended-search mode
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With `-x` or `--extended` option, fzf will start in "extended-search mode".
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In this mode, you can specify multiple patterns delimited by spaces,
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such as: `^music .mp3$ sbtrkt !rmx`
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| Token | Description | Match type |
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| -------- | -------------------------------- | -------------------- |
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| `^music` | Items that start with `music` | prefix-exact-match |
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| `.mp3$` | Items that end with `.mp3` | suffix-exact-match |
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| `sbtrkt` | Items that match `sbtrkt` | fuzzy-match |
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| `!rmx` | Items that do not match `rmx` | inverse-fuzzy-match |
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| `'wild` | Items that include `wild` | exact-match (quoted) |
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| `!'fire` | Items that do not include `fire` | inverse-exact-match |
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Usage as Vim plugin
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-------------------
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If you install fzf as a Vim plugin, `: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 -m /tmp
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```
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You can override the source command which produces input to fzf.
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```vim
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let g:fzf_source = 'find . -type f'
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```
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And you can predefine default options to fzf command.
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```vim
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let g:fzf_options = '--no-color --extended'
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```
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For more advanced uses, you can call `fzf#run` function as follows.
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```vim
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:call fzf#run('tabedit', '-m +c')
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```
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Most of the time, you will prefer native Vim plugins with better integration
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with Vim. The only reason one might consider using fzf in Vim is its speed. For
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a very large list of files, fzf is significantly faster and it does not block.
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Useful bash examples
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--------------------
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```sh
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# vimf - Open selected file in Vim
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vimf() {
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FILE=$(fzf) && vim "$FILE"
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}
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# fd - cd to selected directory
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fd() {
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DIR=$(find ${1:-*} -path '*/\.*' -prune -o -type d -print 2> /dev/null | fzf) && cd "$DIR"
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}
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# fda - including hidden directories
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fda() {
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DIR=$(find ${1:-*} -type d 2> /dev/null | fzf) && cd "$DIR"
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}
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# fsel - Select multiple files in the given path
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fsel() {
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find ${1:-*} | fzf -m | while read item; do
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echo -n "\"$item\" "
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done
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echo
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}
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# fh - repeat history
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fh() {
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eval $(history | fzf +s | sed 's/ *[0-9]* *//')
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}
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# fkill - kill process
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fkill() {
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ps -ef | sed 1d | fzf -m | awk '{print $2}' | xargs kill -${1:-9}
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}
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# (Assuming you don't use the default CTRL-T and CTRL-R)
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# CTRL-T - Paste the selected file path into the command line
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bind '"\er": redraw-current-line'
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bind '"\C-t": " \C-u \C-a\C-k$(fzf)\e\C-e\C-y\C-a\C-y\ey\C-h\C-e\er"'
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# CTRL-R - Paste the selected command from history into the command line
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bind '"\C-r": " \C-e\C-u$(history | fzf +s | sed \"s/ *[0-9]* *//\")\e\C-e\er"'
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```
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zsh widgets
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-----------
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```sh
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# CTRL-T - Paste the selected file path(s) into the command line
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fzf-file-widget() {
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local FILES
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local IFS="
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"
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FILES=($(
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find * -path '*/\.*' -prune \
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-o -type f -print \
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-o -type l -print 2> /dev/null | fzf -m))
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unset IFS
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FILES=$FILES:q
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LBUFFER="${LBUFFER%% #} $FILES"
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zle redisplay
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}
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zle -N fzf-file-widget
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bindkey '^T' fzf-file-widget
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# ALT-C - cd into the selected directory
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fzf-cd-widget() {
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cd "${$(find * -path '*/\.*' -prune \
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-o -type d -print 2> /dev/null | fzf):-.}"
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zle reset-prompt
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}
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zle -N fzf-cd-widget
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bindkey '\ec' fzf-cd-widget
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# CTRL-R - Paste the selected command from history into the command line
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fzf-history-widget() {
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LBUFFER=$(history | fzf +s | sed "s/ *[0-9]* *//")
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zle redisplay
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}
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zle -N fzf-history-widget
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bindkey '^R' fzf-history-widget
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```
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Auto-completion (experimental)
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------------------------------
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Disclaimer: *Auto-completion feature is currently experimental, it can change
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over time*
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### bash
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Fuzzy completion can be triggered if the word before the cursor ends
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with the trigger sequence which is by default `**`.
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- `COMMAND [DIRECTORY/][FUZZY_PATTERN]**<TAB>`
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#### Examples
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```sh
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# Files under current directory
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# - You can select multiple items with TAB key
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vim **<TAB>
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# Files under parent directory
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vim ../**<TAB>
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# Files under parent directory that match `fzf`
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vim ../fzf**<TAB>
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# Files under your home directory
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vim ~/**<TAB>
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# Directories under current directory (single-selection)
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cd **<TAB>
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# Directories under ~/github that match `fzf`
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cd ~/github/fzf**<TAB>
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```
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#### Settings
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```sh
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# Use ~~ as the trigger sequence instead of the default **
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export FZF_COMPLETION_TRIGGER='~~'
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# Options to fzf command
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export FZF_COMPLETION_OPTS='+c -x'
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```
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### zsh
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TODO :smiley:
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(Pull requests are appreciated.)
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Tips
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----
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### Faster startup with `--disable-gems` options
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If you're running Ruby 1.9 or above, you can improve the startup time with
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`--disable-gems` option to Ruby.
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- `time ruby ~/bin/fzf -h`
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- 0.077 sec
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- `time ruby --disable-gems ~/bin/fzf -h`
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- 0.025 sec
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Define fzf alias with the option as follows:
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```sh
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alias fzf='ruby --disable-gems ~/bin/fzf'
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```
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This is automatically set up in your .bashrc and .zshrc if you use the bundled
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[install](https://github.com/junegunn/fzf/blob/master/install) script.
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### Incorrect display on Ruby 1.8
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It is reported that the output of fzf can become unreadable on some terminals
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when it's running on Ruby 1.8. If you experience the problem, upgrade your Ruby
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to 1.9 or above. Ruby 1.9 or above is also required for displaying Unicode
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characters.
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License
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-------
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MIT
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Author
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------
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Junegunn Choi
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