@climagic (twitter)
inotifywait -e open art.jpg && s=$(stat -c %s art.jpg );h=$(($s/2));r=$((s-h)); dd if=/dev/urandom | grep -a -o -P "[\x01-\xD0]" | tr -d $'\n' | dd of=art.jpg bs=1 seek=$h count=$r
# Digitally "shred" half a file after it is opened.
#Banksy https://twitter.com/climagic/status/1051095284980297729/photo/1