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Updated Basic use cases (markdown)

Terminator X 2021-07-18 00:46:10 +05:30
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Basic-use-cases.md

@ -193,6 +193,35 @@ There are several ways to run commands from `nnn`:
2. Use the prompt key to show the prompt and enter your command. The commands are invoked using the `$SHELL` so you can use commands, aliases (in `~/.zshenv` for zsh), environment variables, pipes, redirections.
3. You can also assign keys to arbitrary non-background cli commands (non-shell-interpreted) you use frequently and invoke like plugins. ([instructions](https://github.com/jarun/nnn/tree/master/plugins#running-commands-as-plugin)).
#### Copy command from spawned shell to prompt
The prompt (non-readline `nnn`-internal one) can remember the last executed command. Sometimes it may be desirable copy a command from shell history to the prompt. Keybinds can be configured to copy a command from bash/zsh prompt to the system clipboard. You can use these at the subshell prompt and paste the command at the prompt with <kbd>Ctrl-Shift-V</kbd>.
```bash
# bash: add to ~/.bashrc to copy current line to clipboard with ^]
if [[ -n $DISPLAY ]]; then
copy_line_to_x_clipboard () {
printf %s "$READLINE_LINE" | xsel -ib
}
bind -x '"\C-]": copy_line_to_x_clipboard'
fi
```
```zsh
# zsh: add to ~/.zshrc
# copy current line to clipboard with ^U
if [[ -n $DISPLAY ]]; then
x-kill-whole-line () {
zle kill-whole-line
print -rn -- "$CUTBUFFER" | xsel -ib
}
zle -N x-kill-whole-line
bindkey '\C-u' x-kill-whole-line
fi
```
#### Shell depth indicator
If you use `!` to spawn a shell in the current directory and your shell is bash or zsh, it could be nice to add: