[R] how to input a string without quote

[Carl Witthoft]

"From: Yihui Xie <xieyihui_at_gmail.com>
Date: Sun, 30 Nov 2008 15:32:35 +0800

Wow, you are so lazy... But sometimes R is just designed for lazy guys... "


Yeah, well, laziness is the mother of  creativity :-) .
But seriously: I know far too many engineers who  plug madly away for 
hours/days on end, where I would just stop, take a breath, figure out a 
method or mini-algorithm, and get the job done quick and easy.  That's 
what R is for.