Great idea -- here's a slightly modified version that works on Ubuntu: https://gist.github.com/4238621
This reminds me of a difficult linux-Xwindows type question that I've had for years:
How can you paste from the secondary clipboard buffer (usually this is by using the middle mouse button), via the keyboard?
Great idea -- here's a slightly modified version that works on Ubuntu: https://gist.github.com/4238621