dotfiles/.config/lf/previewer

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2024-08-25 01:58:24 -04:00
#!/bin/sh
XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}"
true_input_path="$(readlink -f "$1")"
image() {
file_path="$1"
mw="$(($2 - 1))"
mh="$3"
x="$4"
y="$5"
ueberzugpp cmd -s "$UB_SOCKET" -a add -i PREVIEW -x "$x" -y "$y" --max-width "$mw" --max-height "$mh" -f "$file_path"
exit 1
}
plaintext() {
if command -v bat >/dev/null 2>&1; then
bat --color=never --style=numbers --pager=never "$@"
else
cat "$@"
fi
}
generate_cache_path() {
while IFS=' ' read -r thumbnail _; do
printf '%s' "$thumbnail"
done <<EOF
$XDG_CACHE_HOME/lf/thumbnail.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' "$true_input_path" | sha256sum).jpg
EOF
}
case "$(printf '%s' "$true_input_path" | tr '[:upper:]' '[:lower:]')" in
*.tgz | *.tar.gz)
tar tzf "$1"
;;
*.tar.bz2 | *.tbz2)
tar tjf "$1"
;;
*.tar.txz | *.txz)
xz -l "$1"
;;
*.tar)
tar tf "$1"
;;
*.zip | *.jar)
unzip -l "$1"
;;
*.rar)
unrar l "$1"
;;
*.7z)
7z l "$1"
;;
*.iso)
iso-info --no-header -l "$1"
;;
*.wav | *.mp3 | *.flac | *.m4a | *.ogg | *.opus)
exiftool "$1"
;;
*.avi | *.mp4 | *.mkv | *.mov | *.webm | *.m4v)
shift
thumbnail="$(generate_cache_path)"
[ -f "$thumbnail" ] || ffmpegthumbnailer -i "$true_input_path" -o "$thumbnail" -s 0 -q 5
image "$thumbnail" "$@"
;;
*.bmp | *.jpg | *.jpeg | *.png | *.xpm | *.webp | *.gif)
shift
image "$true_input_path" "$@"
;;
*.svg)
shift
thumbnail="$(generate_cache_path)"
[ -f "$thumbnail" ] || convert "$true_input_path" "$thumbnail"
image "$thumbnail" "$@"
;;
*.[1-8])
man "$1" | col -b
;;
*)
plaintext "$@"
;;
esac