#!/usr/bin/env bash wallpaper_directory="$LIBDIR/wallpaper/current" wallchanger_pidfile="$RUNDIR/wallchanger.${XDG_SESSION_ID}.pid" wallpaper_logfile="$LOGDIR/wallpaper.log" wallpaper_interval="10800" printf '%s' "starting $path_wallchanger" >>"$LOGFILE" { wallchanger "$wallpaper_directory" "$wallpaper_interval" & echo $! > "$wallchanger_pidfile" } & &>> $LOGFILE