113 lines
3.6 KiB
Plaintext
113 lines
3.6 KiB
Plaintext
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#!/bin/sh
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# Description: Open hovered or current directory in image viewer.
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# Generates media thumbnails with optional dependencies.
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#
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# Dependencies:
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# - imv (https://github.com/eXeC64/imv) or,
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# - sxiv (https://github.com/muennich/sxiv) or,
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# - ucollage (https://github.com/ckardaris/ucollage) or,
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# - lsix (https://github.com/hackerb9/lsix), or
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# - viu (https://github.com/atanunq/viu), or
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# - catimg (https://github.com/posva/catimg), or
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# - optional: ffmpeg for audio thumbnails (album art)
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# - optional: ffmpegthumbnailer for video thumbnails
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#
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# Shell: POSIX compliant
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# Author: Arun Prakash Jana, Luuk van Baal
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#
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# Consider setting NNN_PREVIEWDIR to $XDG_CACHE_HOME/nnn/previews
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# if you want to keep media thumbnails on disk between reboots.
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set -x
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NNN_PREVIEWDIR="${NNN_PREVIEWDIR:-${TMPDIR:-/tmp}/nnn/previews}"
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exit_prompt() {
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set -x
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[ -n "$1" ] && printf "%s\n" "$1"
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printf "%s" "Press any key to exit..."
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cfg=$(stty -g); stty raw -echo; head -c 1; stty "$cfg"
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clear
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exit
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}
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make_thumbs() {
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set -x
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mkdir -p "$NNN_PREVIEWDIR$dir" || return
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if [ "$1" -eq 3 ]; then
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[ -d "$target" ] && exit_prompt "$2 can only display a single image"
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mime="$(file -bL --mime-type -- "$target")"
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case "$mime" in
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audio/*) ffmpeg -i "$target" "$NNN_PREVIEWDIR$target.jpg" -y >/dev/null 2>&1
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ret="$NNN_PREVIEWDIR/$target.jpg" ;;
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video/*) ffmpegthumbnailer -i "$target" -o "$NNN_PREVIEWDIR$target.jpg" 2> /dev/null
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ret="$NNN_PREVIEWDIR/$target.jpg" ;;
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*) ret="$target" ;;
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esac
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fi
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for file in "$dir"/*; do
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if [ ! -f "$NNN_PREVIEWDIR$file.jpg" ]; then
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case "$(file -bL --mime-type -- "$file")" in
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audio/*) [ "$1" -ne 0 ] && ffmpeg -i "$file" "$NNN_PREVIEWDIR$file.jpg" -y >/dev/null 2>&1 ;;
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video/*) [ "$1" -ne 1 ] && ffmpegthumbnailer -i "$file" -o "$NNN_PREVIEWDIR$file.jpg" 2> /dev/null ;;
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esac
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fi
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done
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for file in "$NNN_PREVIEWDIR$dir"/*; do
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filename="$(basename "$file" .jpg)"
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[ ! -e "$dir/$filename" ] && rm "$file" 2>/dev/null
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done
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}
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listimages() {
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set -x
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find -L "$dir" "$NNN_PREVIEWDIR$dir" -maxdepth 1 -type f -print0 2>/dev/null
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}
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view_files() {
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set -x
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[ -f "$target" ] && count="-n $(listimages | grep -a -m 1 -ZznF "$target" | cut -d: -f1)"
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case "$1" in
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sxiv) listimages | xargs -0 sxiv -a "${count:--t}" -- ;;
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imv*) listimages | xargs -0 "$1" "${count:-}" -- ;;
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esac
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}
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target="$(readlink -f "$1")"
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[ -d "$target" ] && dir="$target" || dir="${target%/*}"
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if uname | grep -q "Darwin"; then
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[ -f "$1" ] && open "$1" >/dev/null 2>&1 &
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elif type lsix >/dev/null 2>&1; then
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if [ -d "$target" ]; then
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cd "$target" || exit_prompt
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fi
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make_thumbs ""
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clear
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lsix
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cd "$NNN_PREVIEWDIR$dir" && lsix
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exit_prompt
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elif type ucollage >/dev/null 2>&1; then
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type ffmpeg >/dev/null 2>&1 && make_thumbs 1
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UCOLLAGE_EXPAND_DIRS=1 ucollage "$dir" "$NNN_PREVIEWDIR$dir" || exit_prompt
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elif type sxiv >/dev/null 2>&1; then
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type ffmpegthumbnailer >/dev/null 2>&1 && make_thumbs 0
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view_files sxiv
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elif type imv >/dev/null 2>&1; then
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make_thumbs ""
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view_files imv >/dev/null 2>&1 &
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elif type imvr >/dev/null 2>&1; then
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make_thumbs ""
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view_files imvr >/dev/null 2>&1 &
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elif type viu >/dev/null 2>&1; then
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clear
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make_thumbs 3 viu
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viu -n "$ret"
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exit_prompt
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elif type catimg >/dev/null 2>&1; then
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make_thumbs 3 catimg
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catimg "$ret"
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exit_prompt
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else
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exit_prompt "Please install sxiv/imv/viu/catimg/lsix."
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fi
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