Print a random number between 0 and 100 seven times and delete the corresponding files.
awk '{printf "%s %s %s %s %s %s %s\n", int(rand()*100), int(rand()*100), int(rand()*100), int(rand()*100), int(rand()*100), int(rand()*100), int(rand()*100)}' | xargs -n 7 rm -rf