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docs: add Fish shell config #187

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12 changes: 11 additions & 1 deletion ch03_searching_files.md
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Expand Up @@ -216,7 +216,9 @@ First, make sure you have [fzf](https://github.com/junegunn/fzf) and [ripgrep](h

Ripgrep is a search tool much like grep (hence the name). It is generally faster than grep and has many useful features. Fzf is a general-purpose command-line fuzzy finder. You can use it with any commands, including ripgrep. Together, they make a powerful search tool combination.

Fzf does not use ripgrep by default, so we need to tell fzf to use ripgrep by defining a `FZF_DEFAULT_COMMAND` variable. In my `.zshrc` (`.bashrc` if you use bash), I have these:
Fzf does not use ripgrep by default, so we need to set the `FZF_DEFAULT_COMMAND` variable.

For Zsh (.zshrc) or Bash (.bashrc):

```
if type rg &> /dev/null; then
Expand All @@ -225,6 +227,14 @@ if type rg &> /dev/null; then
fi
```

For Fish Shell (~/.config/fish/config.fish):
```
if command -q rg
set -gx FZF_DEFAULT_COMMAND 'rg --files'
set -gx FZF_DEFAULT_OPTS '-m'
end
```

Pay attention to `-m` in `FZF_DEFAULT_OPTS`. This option allows us to make multiple selections with `<Tab>` or `<Shift-Tab>`. You don't need this line to make fzf work with Vim, but I think it is a useful option to have. It will come in handy when you want to perform search and replace in multiple files which I'll cover in just a little. The fzf command accepts many more options, but I won't cover them here. To learn more, check out [fzf's repo](https://github.com/junegunn/fzf#usage) or `man fzf`. At minimum you should have `export FZF_DEFAULT_COMMAND='rg'`.

After installing fzf and ripgrep, let's set up the fzf plugin. I am using [vim-plug](https://github.com/junegunn/vim-plug) plugin manager in this example, but you can use any plugin managers.
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