fzf with versatile previewing

Usage

Run the bash script fzf-preview.sh.
This chooses an image viewer and calls fzf with preview script fzf-file2preview.sh.

Dependencies

fzf: junegunn/fzf

Image viewer

ueberzugpp: jstkdng/ueberzugpp (suggested)

Alternatives:
ueberzug: ueber-devel/ueberzug
chafa: hpjansson/chafa
catimg: posva/catimg

Also works within a kitty terminal employing kitty icat.

File-to-image converters

audio: ffmpeg, exiftool
djvu: ddjvu
epub: epub-thumbnailer
pdf: pdftoppm
video: ffmpegthumbnailer