Blue Tape

find /Volumes/RAVPOWER/blue_tape_second_try/*.dd -exec strings -n 20 {} \; -print | \
grep -v '\@\@\@' | grep -v 'KKKKKKKKKKK' | \
grep -v '\`\`\`\`' | \
grep -v '\@K\@K\@K\@K\@' > tmp/blue_tape_strings.txt