1 #!/bin/bash
  2 export DIR='/home/karkusha/Pictures/Pictures/'
  3 export NUMBER=$RANDOM
  4 export TOTAL=0
  5 for f in `ls $DIR`
  6 do
  7 let "TOTAL += 1"
  8 done
  9 let "NUMBER %= TOTAL"
 10 export CURRENT=0
 11 for f in `ls $DIR`
 12 do
 13 if [ $CURRENT = $NUMBER ]
 14 then
 15 /usr/bin/gconftool-2 -t string -s /desktop/gnome/background/picture_filename $DIR/$f
 16 break
 17 fi
 18 let "CURRENT += 1"
 19 done
~