- `nnn` is all about navigational convenience so the user doesn't have to type
- the binary size increases due to readline linkage
- alternative workflow: ^G, cd, `nnn`
- readline required using the prompt and the history would stay after quit

If only one entry matches regex filter and it it a directory, cd into it.

The binary size increases from 49184 to 49216.

Start with PATH_MAX bytes and then double each time.