Set default text editor

Edit .bashrc (in Fedora)

# Export Default editor and while we're at it, the PATH to /opt
export EDITOR=vim
export PATH=/opt:$PATH

Enable icons-in-terminal icons

https://github.com/jarun/nnn/wiki/Advanced-use-cases

https://github.com/sebastiencs/icons-in-terminal#installation

To enable icons-in-terminal icons

Install icons-in-terminal
Clone the nnn repo
Compile nnn with make O_ICONS=1 from the root s

To enable Nerdfont icons

Download and install a patched Nerdfont.
Apply that font as your terminal emulator's font. This will vary from emulator to
emulator, but usually involves editing a config file or changing a setting within a
GUI menu system.
Clone the nnn repo
Compile nnn with make O_NERD=1 from the root

Note:

Arch Linux users can check out the AUR packages nnn-icons and nnn-nerd.

Set default applications via .config/mineapps.list

xdg-mime manpage

• https://linux.die.net/man/1/xdg-mime

update-mime-database manpage

• https://linux.die.net/man/1/update-mime-database

Add entry and use right away

• xdg-mime default mpv.desktop video/mpeg

• Query the entry

xdg-mime query default image/png
feh.desktop

• Query the file in question

xdg-mime query filetype cory-doctorow-makers.epub
application/epub+zip

Examples

image/jpeg=feh.desktop
audio/x-wav=mpv.desktop
audio/flac=mpv.desktop
application/epub+zip=calibre-ebook-viewer.desktop
video/mpg=mpv.desktop
video/mpeg=mpv.desktop
video/iso=vlc.desktop
audio/ogg=mpv.desktop
text/pdf=zathura.desktop
application/pdf=org.pwmt.zathura-pdf-mupdf.desktop
text/markdown=ebook-viewer.desktop

[Added Associations]
image/png=feh.desktop;
video/x-matroska=mpv.desktop;
image/jpeg=feh.desktop;
audio/x-wav=mpv.desktop;
audio/flac=mpv.desktop;
application/epub+zip=calibre-ebook-viewer.desktop;
application/x-cd-image=vlc.desktop;

How I use nnn

• Watching movies and tv shows from samba Pi server
  • Moving video rips to another directory

Sample with folder icons

• Reading pdf files

  • Zathura

• Reading epub books

  • Calibre e-book viewer

• Editing files in vim

  • 'e' to edit

• Creating new files

• Creating new directories

• Dropping to a command prompt temporarily, using '!'

• Extracting tar.gz and zip files

• Bulk file renaming

• Organizing files

  • use '/' to find like files and 'ESC'

• Send file as attachment in mutt

  • 'o' to open file, 'mutt -a' to attach files

• KDEconnect to send files and web links

  #!/bin/bash
  
  kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share $1

• View all commands

  • '?'

Help screen

Click the thumbnail to see the full-sized image

Videos

• https://vid.puffyan.us/watch?v=-knZwdd1ScU

More info

• Github page

  • https://github.com/jarun/nnn

• Arch wiki

  • https://wiki.archlinux.org/title/Nnn

• Plugins

  • https://github.com/jarun/nnn/blob/master/plugins/README.md

• https://github.com/jarun/nnn/wiki/Advanced-use-cases
• https://wiki.archlinux.org/title/XDG_MIME_Applications
• https://wiki.archlinux.org/title/Xdg-utils
• https://www.romanzolotarev.com/xdg-mime.html
• Find all available mimetypes for one application
  • grep MimeType /usr/share/applications/gimp.desktop

Applications

• Zathura for PDF
  • https://wiki.archlinux.org/title/Zathura