Every time you visit for the FIRST TIME today... [Part 1]

Post a random function that you made. May be from any project you've done or make one impromptu.

Any QUALITY is allowed. No bullying!

just some stupid shell scripting today
sudo time cat /dev/sdb9 | grep -Uboa -P `xxd -l14 -p 1.dat |sed 's/../\0\\x/g'` | tee search