Unpacking src.tar.gz to /usr

Problem
I copied src.tar.gz to /usr, and unpacked the src into all the /usr, the wrong place. src.tar.gz should be unpacked in /usr/src.

The Fix

Leave src.tar.gz in /usr and do this:

cd /usr && tar zft src.tar.gz|xargs rm && tar zft src.tar.gz|xargs rmdir