home/bin/wallpaper_shuffle

   1 #! /bin/sh
   2
   3 set -e
   4
   5 path=$(
   6     find \
   7         $@ \
   8         -type f \
   9     | awk '
  10         {
  11             paths[i++] = $0
  12         }
  13
  14         END {
  15             srand()
  16             j = int(i * rand())
  17             print paths[j]
  18         }'
  19 )
  20 printf "$path\n" >&2
  21 feh --bg-scale "$path"