bin/wallpaper.sh

   1 #!/bin/bash
   2 PIDFILE=${PIDFILE:-/tmp/wallpaper.pid}
   3
   4 trap "rm -f $PIDFILE" SIGUSR1
   5
   6 # set background function (requires input)
   7 function wpapers () {
   8         if [[ -f $1 ]]; then
   9                 # We have a single file as input
  10                 feh --bg-fill --no-fehbg $1
  11                 exit 0
  12         elif [[ -d $1 ]]; then
  13                 # directory as input
  14                 while true; do
  15                         BGIMG=$(find $1 -type f -print | shuf -n1)
  16                         feh --bg-fill --no-fehbg $BGIMG
  17                         sleep 5m
  18                 done
  19         fi
  20 }
  21
  22 if [[ -f $PIDFILE ]]; then
  23         # PIDFILE exists, so I guess there's already an instance running
  24         # let's kill it and run again
  25         kill $(cat $PIDFILE) > /dev/null 2>&1
  26         rm $PIDFILE
  27 fi
  28
  29 # create PIDFILE
  30 echo $$ > $PIDFILE
  31
  32 ## MAIN ##
  33 # do we have input?
  34 if [[ ! -z $1 ]]; then
  35         WPAPERS=$1
  36 else
  37         # No input. We'll use our predefined directory
  38         WPAPERS="/home/danix/Pictures/wallpapers/black"
  39 fi
  40
  41 wpapers $WPAPERS
  42