home/bin/wallpaper_fav

   1 #! /bin/sh
   2
   3 set -e
   4
   5 case "$1" in
   6     '')
   7         current_wallpaper_file=$(
   8             awk '
   9                 NR == 2 {
  10                     if (NF > 3) {
  11                         # XXX Assume feh wrote a N>4-field command line, like:
  12                         #         feh --no-fehbg --bg-scale $file
  13                         sub("^" $1 " +" $2 " +" $3 " +", "")
  14                     } else if (NF < 4) {
  15                         # XXX Assume feh wrote a N<4-field command line, like:
  16                         #         feh --bg-scale $file
  17                         sub("^" $1 " +" $2 " +", "")
  18                     } else {
  19                         printf "[error] Unexpected number of fields in ~/.fehbg command: %s\n" $0 > "/dev/stderr"
  20                         exit 1
  21                     }
  22                     print
  23                     exit 0
  24                 }
  25                 ' \
  26                 ~/.fehbg \
  27             | xargs  # Unquote the filename, which feh puts in single quotes.
  28         );;
  29     *)
  30         current_wallpaper_file="$1"
  31 esac
  32
  33 sha256sum "$current_wallpaper_file" >> "$FILE_WALLPAPER_FAVS"
  34 sort -u "$FILE_WALLPAPER_FAVS" | sponge "$FILE_WALLPAPER_FAVS"