sistema_progs

Programas para customizar o meu entorno de traballo nos meus equipos persoais
Log | Files | Refs

imgview (3929B)


      1 #!/usr/bin/env sh
      2 
      3 # Description: Open hovered or current directory in image viewer.
      4 #              Generates media thumbnails with optional dependencies.
      5 #
      6 # Dependencies:
      7 #   - imv (https://github.com/eXeC64/imv) or,
      8 #   - sxiv (https://github.com/muennich/sxiv) or,
      9 #   - nsxiv (https://github.com/nsxiv/nsxiv) or,
     10 #   - ucollage (https://github.com/ckardaris/ucollage) or,
     11 #   - lsix (https://github.com/hackerb9/lsix), or
     12 #   - viu (https://github.com/atanunq/viu), or
     13 #   - catimg (https://github.com/posva/catimg), or
     14 #   - optional: ffmpeg for audio thumbnails (album art)
     15 #   - optional: ffmpegthumbnailer for video thumbnails
     16 #
     17 # Shell: POSIX compliant
     18 # Author: Arun Prakash Jana, Luuk van Baal
     19 #
     20 # Consider setting NNN_PREVIEWDIR to $XDG_CACHE_HOME/nnn/previews
     21 # if you want to keep media thumbnails on disk between reboots.
     22 NNN_PREVIEWDIR="${NNN_PREVIEWDIR:-${TMPDIR:-/tmp}/nnn/previews}"
     23 
     24 exit_prompt() {
     25     [ -n "$1" ] && printf "%s\n" "$1"
     26     printf "%s" "Press any key to exit..."
     27     cfg=$(stty -g); stty raw -echo; head -c 1; stty "$cfg"
     28     clear
     29     exit
     30 }
     31 
     32 make_thumbs() {
     33     mkdir -p "$NNN_PREVIEWDIR$dir" || return
     34     if [ "$1" -eq 3 ]; then
     35         [ -d "$target" ] && exit_prompt "$2 can only display a single image"
     36         mime="$(file -bL --mime-type -- "$target")"
     37         case "$mime" in
     38           audio/*) ffmpeg -i "$target" "$NNN_PREVIEWDIR$target.jpg" -y >/dev/null 2>&1
     39               ret="$NNN_PREVIEWDIR/$target.jpg" ;;
     40           video/*) ffmpegthumbnailer -i "$target" -o "$NNN_PREVIEWDIR$target.jpg" 2> /dev/null
     41               ret="$NNN_PREVIEWDIR/$target.jpg" ;;
     42           *) ret="$target" ;;
     43         esac
     44     fi
     45     for file in "$dir"/*; do
     46         if [ ! -f "$NNN_PREVIEWDIR$file.jpg" ]; then
     47             case "$(file -bL --mime-type -- "$file")" in
     48                 audio/*) [ "$1" -ne 0 ] && ffmpeg -i "$file" "$NNN_PREVIEWDIR$file.jpg" -y >/dev/null 2>&1 ;;
     49                 video/*) [ "$1" -ne 1 ] && ffmpegthumbnailer -i "$file" -o "$NNN_PREVIEWDIR$file.jpg" 2> /dev/null ;;
     50             esac
     51         fi
     52     done
     53     for file in "$NNN_PREVIEWDIR$dir"/*; do
     54         filename="$(basename "$file" .jpg)"
     55         [ ! -e "$dir/$filename" ] && rm "$file" 2>/dev/null
     56     done
     57 }
     58 
     59 listimages() {
     60     find -L "$dir" "$NNN_PREVIEWDIR$dir" -maxdepth 1 -type f -print0 2>/dev/null | sort -z
     61 }
     62 
     63 view_files() {
     64     [ -f "$target" ] && count="-n $(listimages | grep -a -m 1 -ZznF "$target" | cut -d: -f1)"
     65     case "$1" in
     66         nsxiv) listimages | xargs -0 nsxiv -a "${count:--t}" -- ;;
     67         sxiv) listimages | xargs -0 sxiv -a "${count:--t}" -- ;;
     68         imv*) listimages | xargs -0 "$1" "${count:-}" -- ;;
     69     esac
     70 }
     71 
     72 target="$(readlink -f "$1")"
     73 [ -d "$target" ] && dir="$target" || dir="${target%/*}"
     74 if uname | grep -q "Darwin"; then
     75     [ -f "$1" ] && open "$1" >/dev/null 2>&1 &
     76 elif type lsix >/dev/null 2>&1; then
     77     if [ -d "$target" ]; then
     78         cd "$target" || exit_prompt
     79     fi
     80     make_thumbs ""
     81     clear
     82     lsix
     83     cd "$NNN_PREVIEWDIR$dir" && lsix
     84     exit_prompt
     85 elif type ucollage >/dev/null 2>&1; then
     86     type ffmpeg >/dev/null 2>&1 && make_thumbs 1
     87     UCOLLAGE_EXPAND_DIRS=1 ucollage "$dir" "$NNN_PREVIEWDIR$dir" || exit_prompt
     88 elif type sxiv >/dev/null 2>&1; then
     89     type ffmpegthumbnailer >/dev/null 2>&1 && make_thumbs 0
     90     view_files sxiv >/dev/null 2>&1 &
     91 elif type nsxiv >/dev/null 2>&1; then
     92     type ffmpegthumbnailer >/dev/null 2>&1 && make_thumbs 0
     93     view_files nsxiv >/dev/null 2>&1 &
     94 elif type imv >/dev/null 2>&1; then
     95     make_thumbs ""
     96     view_files imv >/dev/null 2>&1 &
     97 elif type imvr >/dev/null 2>&1; then
     98     make_thumbs ""
     99     view_files imvr >/dev/null 2>&1 &
    100 elif type viu >/dev/null 2>&1; then
    101     clear
    102     make_thumbs 3 viu
    103     viu -n "$ret"
    104     exit_prompt
    105 elif type catimg >/dev/null 2>&1; then
    106     make_thumbs 3 catimg
    107     catimg "$ret"
    108     exit_prompt
    109 else
    110     exit_prompt "Please install sxiv/nsxiv/imv/viu/catimg/lsix."
    111 fi