adeelarshad82 writes: Clicking all those buttons on your e-mail is such a drag. Luckily, Gmail has come up with a way to attach files in one step. Users in Google Chrome or Mozilla Firefox 3.6 can now drag and drop their files into Gmail directly from a folder on their computer.
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals