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Add Show A File Preview When Searching With FZF as a unix til

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jbranchaud
2019-03-29 14:29:15 -05:00
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# Show A File Preview When Searching With FZF
[FZF](https://github.com/junegunn/fzf) by itself is a great way to fuzzy
find files. It gets even better when you can view a preview of a file before
opening it up. The `--preview` flag lets you do just this.
Add a basic file preview with `cat`:
```bash
$ fzf --preview 'cat {}'
```
The `{}` will get replaced a single-quoted string of the highlighted file.
You can spice up the preview a bit with color and line numbers using
[`bat`](https://github.com/sharkdp/bat):
```bash
$ fzf --preview 'bat --color "always" {}'
```
The `--color` flag tells `bat` to produce syntax highlighted output even
though it isn't in interactive mode.
Lastly, you can keep it performant by only showing the first 100 lines:
```bash
$ fzf --preview 'bat --color "always" --line-range 0:100 {}'
```
See `man fzf` for more details.
[source](https://github.com/dkarter/dotfiles/blob/master/vimrc#L362)